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Finding the Fourth Proportional to 8,873.37, 13,310.19 and 4,489.92

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Solution

The fourth proportional to 8,873.37, 13,310.19 and 4,489.92 is: 6,734.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.37 : 13,310.19 = 4,489.92 : x
  2. Step 2: Convert to fraction form
    8,873.37/13,310.19 = 4,489.92/x
  3. Step 3: Cross multiply
    8,873.37x = 13,310.19 × 4,489.92
  4. Step 4: Simplify right side
    8,873.37x = 59,761,688.28
  5. Step 5: Solve for x
    x = 59,761,688.28/8,873.37
  6. Step 6: Final answer
    x = 6,734.95

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1.5x scale

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.