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Finding the Fourth Proportional to 4,349.40, 6,524.10 and 1,427.80

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Solution

The fourth proportional to 4,349.40, 6,524.10 and 1,427.80 is: 2,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,349.40 : 6,524.10 = 1,427.80 : x
  2. Step 2: Convert to fraction form
    4,349.40/6,524.10 = 1,427.80/x
  3. Step 3: Cross multiply
    4,349.40x = 6,524.10 × 1,427.80
  4. Step 4: Simplify right side
    4,349.40x = 9,315,109.98
  5. Step 5: Solve for x
    x = 9,315,109.98/4,349.40
  6. Step 6: Final answer
    x = 2,141.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.