Home / 7,517.35-10,367.08-6,454.78

Finding the Fourth Proportional to 7,517.35, 10,367.08 and 6,454.78

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Solution

The fourth proportional to 7,517.35, 10,367.08 and 6,454.78 is: 8,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.35 : 10,367.08 = 6,454.78 : x
  2. Step 2: Convert to fraction form
    7,517.35/10,367.08 = 6,454.78/x
  3. Step 3: Cross multiply
    7,517.35x = 10,367.08 × 6,454.78
  4. Step 4: Simplify right side
    7,517.35x = 66,917,210.86
  5. Step 5: Solve for x
    x = 66,917,210.86/7,517.35
  6. Step 6: Final answer
    x = 8,901.71

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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.