Home / 9,288.60-12,819.17-5,308.95

Finding the Fourth Proportional to 9,288.60, 12,819.17 and 5,308.95

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Solution

The fourth proportional to 9,288.60, 12,819.17 and 5,308.95 is: 7,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.60 : 12,819.17 = 5,308.95 : x
  2. Step 2: Convert to fraction form
    9,288.60/12,819.17 = 5,308.95/x
  3. Step 3: Cross multiply
    9,288.60x = 12,819.17 × 5,308.95
  4. Step 4: Simplify right side
    9,288.60x = 68,056,306.03
  5. Step 5: Solve for x
    x = 68,056,306.03/9,288.60
  6. Step 6: Final answer
    x = 7,326.86

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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.