Home / 5,711.04-7,882.55-3,718.12

Finding the Fourth Proportional to 5,711.04, 7,882.55 and 3,718.12

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Solution

The fourth proportional to 5,711.04, 7,882.55 and 3,718.12 is: 5,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.04 : 7,882.55 = 3,718.12 : x
  2. Step 2: Convert to fraction form
    5,711.04/7,882.55 = 3,718.12/x
  3. Step 3: Cross multiply
    5,711.04x = 7,882.55 × 3,718.12
  4. Step 4: Simplify right side
    5,711.04x = 29,308,248.22
  5. Step 5: Solve for x
    x = 29,308,248.22/5,711.04
  6. Step 6: Final answer
    x = 5,131.86

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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.