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Finding the Fourth Proportional to 6,484.88, 9,727.32 and 2,379.92

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Solution

The fourth proportional to 6,484.88, 9,727.32 and 2,379.92 is: 3,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.88 : 9,727.32 = 2,379.92 : x
  2. Step 2: Convert to fraction form
    6,484.88/9,727.32 = 2,379.92/x
  3. Step 3: Cross multiply
    6,484.88x = 9,727.32 × 2,379.92
  4. Step 4: Simplify right side
    6,484.88x = 23,150,243.41
  5. Step 5: Solve for x
    x = 23,150,243.41/6,484.88
  6. Step 6: Final answer
    x = 3,569.88

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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.