Home / 8,419.05-11,618.13-4,882.59

Finding the Fourth Proportional to 8,419.05, 11,618.13 and 4,882.59

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Solution

The fourth proportional to 8,419.05, 11,618.13 and 4,882.59 is: 6,737.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.05 : 11,618.13 = 4,882.59 : x
  2. Step 2: Convert to fraction form
    8,419.05/11,618.13 = 4,882.59/x
  3. Step 3: Cross multiply
    8,419.05x = 11,618.13 × 4,882.59
  4. Step 4: Simplify right side
    8,419.05x = 56,726,565.36
  5. Step 5: Solve for x
    x = 56,726,565.36/8,419.05
  6. Step 6: Final answer
    x = 6,737.88

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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.