Home / 6,520.86-9,006.17-4,392.69

Finding the Fourth Proportional to 6,520.86, 9,006.17 and 4,392.69

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Solution

The fourth proportional to 6,520.86, 9,006.17 and 4,392.69 is: 6,066.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.86 : 9,006.17 = 4,392.69 : x
  2. Step 2: Convert to fraction form
    6,520.86/9,006.17 = 4,392.69/x
  3. Step 3: Cross multiply
    6,520.86x = 9,006.17 × 4,392.69
  4. Step 4: Simplify right side
    6,520.86x = 39,561,290.93
  5. Step 5: Solve for x
    x = 39,561,290.93/6,520.86
  6. Step 6: Final answer
    x = 6,066.88

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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.