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Finding the Fourth Proportional to 6,520.43, 9,781.86 and 2,962.79

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Solution

The fourth proportional to 6,520.43, 9,781.86 and 2,962.79 is: 4,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.43 : 9,781.86 = 2,962.79 : x
  2. Step 2: Convert to fraction form
    6,520.43/9,781.86 = 2,962.79/x
  3. Step 3: Cross multiply
    6,520.43x = 9,781.86 × 2,962.79
  4. Step 4: Simplify right side
    6,520.43x = 28,981,596.99
  5. Step 5: Solve for x
    x = 28,981,596.99/6,520.43
  6. Step 6: Final answer
    x = 4,444.74

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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.