Home / 8,166.60-12,254.49-3,486.11

Finding the Fourth Proportional to 8,166.60, 12,254.49 and 3,486.11

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Solution

The fourth proportional to 8,166.60, 12,254.49 and 3,486.11 is: 5,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.60 : 12,254.49 = 3,486.11 : x
  2. Step 2: Convert to fraction form
    8,166.60/12,254.49 = 3,486.11/x
  3. Step 3: Cross multiply
    8,166.60x = 12,254.49 × 3,486.11
  4. Step 4: Simplify right side
    8,166.60x = 42,720,500.13
  5. Step 5: Solve for x
    x = 42,720,500.13/8,166.60
  6. Step 6: Final answer
    x = 5,231.12

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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.