Home / 8,393.19-12,565.46-6,321.92

Finding the Fourth Proportional to 8,393.19, 12,565.46 and 6,321.92

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Solution

The fourth proportional to 8,393.19, 12,565.46 and 6,321.92 is: 9,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.19 : 12,565.46 = 6,321.92 : x
  2. Step 2: Convert to fraction form
    8,393.19/12,565.46 = 6,321.92/x
  3. Step 3: Cross multiply
    8,393.19x = 12,565.46 × 6,321.92
  4. Step 4: Simplify right side
    8,393.19x = 79,437,785.86
  5. Step 5: Solve for x
    x = 79,437,785.86/8,393.19
  6. Step 6: Final answer
    x = 9,464.56

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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.