Home / 5,374.76-7,417.35-3,136.28

Finding the Fourth Proportional to 5,374.76, 7,417.35 and 3,136.28

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Solution

The fourth proportional to 5,374.76, 7,417.35 and 3,136.28 is: 4,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.76 : 7,417.35 = 3,136.28 : x
  2. Step 2: Convert to fraction form
    5,374.76/7,417.35 = 3,136.28/x
  3. Step 3: Cross multiply
    5,374.76x = 7,417.35 × 3,136.28
  4. Step 4: Simplify right side
    5,374.76x = 23,262,849.37
  5. Step 5: Solve for x
    x = 23,262,849.37/5,374.76
  6. Step 6: Final answer
    x = 4,328.17

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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.