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Finding the Fourth Proportional to 8,367.32, 12,555.12 and 5,917.88

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Solution

The fourth proportional to 8,367.32, 12,555.12 and 5,917.88 is: 8,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,367.32 : 12,555.12 = 5,917.88 : x
  2. Step 2: Convert to fraction form
    8,367.32/12,555.12 = 5,917.88/x
  3. Step 3: Cross multiply
    8,367.32x = 12,555.12 × 5,917.88
  4. Step 4: Simplify right side
    8,367.32x = 74,299,693.55
  5. Step 5: Solve for x
    x = 74,299,693.55/8,367.32
  6. Step 6: Final answer
    x = 8,879.75

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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.