Home / 8,910.64-13,366.14-3,716.56

Finding the Fourth Proportional to 8,910.64, 13,366.14 and 3,716.56

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Solution

The fourth proportional to 8,910.64, 13,366.14 and 3,716.56 is: 5,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.64 : 13,366.14 = 3,716.56 : x
  2. Step 2: Convert to fraction form
    8,910.64/13,366.14 = 3,716.56/x
  3. Step 3: Cross multiply
    8,910.64x = 13,366.14 × 3,716.56
  4. Step 4: Simplify right side
    8,910.64x = 49,676,061.28
  5. Step 5: Solve for x
    x = 49,676,061.28/8,910.64
  6. Step 6: Final answer
    x = 5,574.92

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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.