Home / 5,515.27-7,610.92-2,997.30

Finding the Fourth Proportional to 5,515.27, 7,610.92 and 2,997.30

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Solution

The fourth proportional to 5,515.27, 7,610.92 and 2,997.30 is: 4,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.27 : 7,610.92 = 2,997.30 : x
  2. Step 2: Convert to fraction form
    5,515.27/7,610.92 = 2,997.30/x
  3. Step 3: Cross multiply
    5,515.27x = 7,610.92 × 2,997.30
  4. Step 4: Simplify right side
    5,515.27x = 22,812,210.52
  5. Step 5: Solve for x
    x = 22,812,210.52/5,515.27
  6. Step 6: Final answer
    x = 4,136.19

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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.