Home / 4,757.10-7,136.73-2,565.78

Finding the Fourth Proportional to 4,757.10, 7,136.73 and 2,565.78

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Solution

The fourth proportional to 4,757.10, 7,136.73 and 2,565.78 is: 3,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.10 : 7,136.73 = 2,565.78 : x
  2. Step 2: Convert to fraction form
    4,757.10/7,136.73 = 2,565.78/x
  3. Step 3: Cross multiply
    4,757.10x = 7,136.73 × 2,565.78
  4. Step 4: Simplify right side
    4,757.10x = 18,311,279.10
  5. Step 5: Solve for x
    x = 18,311,279.10/4,757.10
  6. Step 6: Final answer
    x = 3,849.25

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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.