Home / 6,447.20-8,898.03-4,660.47

Finding the Fourth Proportional to 6,447.20, 8,898.03 and 4,660.47

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Solution

The fourth proportional to 6,447.20, 8,898.03 and 4,660.47 is: 6,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.20 : 8,898.03 = 4,660.47 : x
  2. Step 2: Convert to fraction form
    6,447.20/8,898.03 = 4,660.47/x
  3. Step 3: Cross multiply
    6,447.20x = 8,898.03 × 4,660.47
  4. Step 4: Simplify right side
    6,447.20x = 41,469,001.87
  5. Step 5: Solve for x
    x = 41,469,001.87/6,447.20
  6. Step 6: Final answer
    x = 6,432.10

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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.