Home / 5,354.97-7,389.81-2,997.15

Finding the Fourth Proportional to 5,354.97, 7,389.81 and 2,997.15

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Solution

The fourth proportional to 5,354.97, 7,389.81 and 2,997.15 is: 4,136.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,354.97 : 7,389.81 = 2,997.15 : x
  2. Step 2: Convert to fraction form
    5,354.97/7,389.81 = 2,997.15/x
  3. Step 3: Cross multiply
    5,354.97x = 7,389.81 × 2,997.15
  4. Step 4: Simplify right side
    5,354.97x = 22,148,369.04
  5. Step 5: Solve for x
    x = 22,148,369.04/5,354.97
  6. Step 6: Final answer
    x = 4,136.04

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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.