Home / 6,517.32-8,991.18-4,281.72

Finding the Fourth Proportional to 6,517.32, 8,991.18 and 4,281.72

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Solution

The fourth proportional to 6,517.32, 8,991.18 and 4,281.72 is: 5,906.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,517.32 : 8,991.18 = 4,281.72 : x
  2. Step 2: Convert to fraction form
    6,517.32/8,991.18 = 4,281.72/x
  3. Step 3: Cross multiply
    6,517.32x = 8,991.18 × 4,281.72
  4. Step 4: Simplify right side
    6,517.32x = 38,497,715.23
  5. Step 5: Solve for x
    x = 38,497,715.23/6,517.32
  6. Step 6: Final answer
    x = 5,906.99

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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.