Home / 5,614.29-8,416.35-3,528

Finding the Fourth Proportional to 5,614.29, 8,416.35 and 3,528

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Solution

The fourth proportional to 5,614.29, 8,416.35 and 3,528 is: 5,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.29 : 8,416.35 = 3,528 : x
  2. Step 2: Convert to fraction form
    5,614.29/8,416.35 = 3,528/x
  3. Step 3: Cross multiply
    5,614.29x = 8,416.35 × 3,528
  4. Step 4: Simplify right side
    5,614.29x = 29,692,882.80
  5. Step 5: Solve for x
    x = 29,692,882.80/5,614.29
  6. Step 6: Final answer
    x = 5,288.80

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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.