Home / 8,565.26-12,840.10-3,296.90

Finding the Fourth Proportional to 8,565.26, 12,840.10 and 3,296.90

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Solution

The fourth proportional to 8,565.26, 12,840.10 and 3,296.90 is: 4,942.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.26 : 12,840.10 = 3,296.90 : x
  2. Step 2: Convert to fraction form
    8,565.26/12,840.10 = 3,296.90/x
  3. Step 3: Cross multiply
    8,565.26x = 12,840.10 × 3,296.90
  4. Step 4: Simplify right side
    8,565.26x = 42,332,525.69
  5. Step 5: Solve for x
    x = 42,332,525.69/8,565.26
  6. Step 6: Final answer
    x = 4,942.35

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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.