Home / 8,358.44-12,530.75-6,517.72

Finding the Fourth Proportional to 8,358.44, 12,530.75 and 6,517.72

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Solution

The fourth proportional to 8,358.44, 12,530.75 and 6,517.72 is: 9,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.44 : 12,530.75 = 6,517.72 : x
  2. Step 2: Convert to fraction form
    8,358.44/12,530.75 = 6,517.72/x
  3. Step 3: Cross multiply
    8,358.44x = 12,530.75 × 6,517.72
  4. Step 4: Simplify right side
    8,358.44x = 81,671,869.14
  5. Step 5: Solve for x
    x = 81,671,869.14/8,358.44
  6. Step 6: Final answer
    x = 9,771.18

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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.