Home / 8,489.17-11,716.46-4,713.55

Finding the Fourth Proportional to 8,489.17, 11,716.46 and 4,713.55

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Solution

The fourth proportional to 8,489.17, 11,716.46 and 4,713.55 is: 6,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489.17 : 11,716.46 = 4,713.55 : x
  2. Step 2: Convert to fraction form
    8,489.17/11,716.46 = 4,713.55/x
  3. Step 3: Cross multiply
    8,489.17x = 11,716.46 × 4,713.55
  4. Step 4: Simplify right side
    8,489.17x = 55,226,084.85
  5. Step 5: Solve for x
    x = 55,226,084.85/8,489.17
  6. Step 6: Final answer
    x = 6,505.47

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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.