Home / 8,616.17-11,887.29-5,633.75

Finding the Fourth Proportional to 8,616.17, 11,887.29 and 5,633.75

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Solution

The fourth proportional to 8,616.17, 11,887.29 and 5,633.75 is: 7,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.17 : 11,887.29 = 5,633.75 : x
  2. Step 2: Convert to fraction form
    8,616.17/11,887.29 = 5,633.75/x
  3. Step 3: Cross multiply
    8,616.17x = 11,887.29 × 5,633.75
  4. Step 4: Simplify right side
    8,616.17x = 66,970,049.76
  5. Step 5: Solve for x
    x = 66,970,049.76/8,616.17
  6. Step 6: Final answer
    x = 7,772.60

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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.