Home / 8,716.28-13,070.96-3,166.61

Finding the Fourth Proportional to 8,716.28, 13,070.96 and 3,166.61

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Solution

The fourth proportional to 8,716.28, 13,070.96 and 3,166.61 is: 4,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.28 : 13,070.96 = 3,166.61 : x
  2. Step 2: Convert to fraction form
    8,716.28/13,070.96 = 3,166.61/x
  3. Step 3: Cross multiply
    8,716.28x = 13,070.96 × 3,166.61
  4. Step 4: Simplify right side
    8,716.28x = 41,390,551.46
  5. Step 5: Solve for x
    x = 41,390,551.46/8,716.28
  6. Step 6: Final answer
    x = 4,748.65

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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.