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Finding the Fourth Proportional to 5,374.04, 7,418.04 and 3,250.76

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Solution

The fourth proportional to 5,374.04, 7,418.04 and 3,250.76 is: 4,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.04 : 7,418.04 = 3,250.76 : x
  2. Step 2: Convert to fraction form
    5,374.04/7,418.04 = 3,250.76/x
  3. Step 3: Cross multiply
    5,374.04x = 7,418.04 × 3,250.76
  4. Step 4: Simplify right side
    5,374.04x = 24,114,267.71
  5. Step 5: Solve for x
    x = 24,114,267.71/5,374.04
  6. Step 6: Final answer
    x = 4,487.18

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Find fourth proportional to 2,687.02, 3,709.02 and 1,625.38
Half scale
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Double scale
Find fourth proportional to 5,375.04, 7,419.42 and 3,251.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.