Home / 8,419.26-11,617.20-5,061.27

Finding the Fourth Proportional to 8,419.26, 11,617.20 and 5,061.27

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Solution

The fourth proportional to 8,419.26, 11,617.20 and 5,061.27 is: 6,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.26 : 11,617.20 = 5,061.27 : x
  2. Step 2: Convert to fraction form
    8,419.26/11,617.20 = 5,061.27/x
  3. Step 3: Cross multiply
    8,419.26x = 11,617.20 × 5,061.27
  4. Step 4: Simplify right side
    8,419.26x = 58,797,785.84
  5. Step 5: Solve for x
    x = 58,797,785.84/8,419.26
  6. Step 6: Final answer
    x = 6,983.72

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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.