Home / 8,317.22-12,446.64-6,456.47

Finding the Fourth Proportional to 8,317.22, 12,446.64 and 6,456.47

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Solution

The fourth proportional to 8,317.22, 12,446.64 and 6,456.47 is: 9,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.22 : 12,446.64 = 6,456.47 : x
  2. Step 2: Convert to fraction form
    8,317.22/12,446.64 = 6,456.47/x
  3. Step 3: Cross multiply
    8,317.22x = 12,446.64 × 6,456.47
  4. Step 4: Simplify right side
    8,317.22x = 80,361,295.53
  5. Step 5: Solve for x
    x = 80,361,295.53/8,317.22
  6. Step 6: Final answer
    x = 9,662.04

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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.