Home / 8,166.12-12,251.33-3,486.39

Finding the Fourth Proportional to 8,166.12, 12,251.33 and 3,486.39

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Solution

The fourth proportional to 8,166.12, 12,251.33 and 3,486.39 is: 5,230.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.12 : 12,251.33 = 3,486.39 : x
  2. Step 2: Convert to fraction form
    8,166.12/12,251.33 = 3,486.39/x
  3. Step 3: Cross multiply
    8,166.12x = 12,251.33 × 3,486.39
  4. Step 4: Simplify right side
    8,166.12x = 42,712,896.97
  5. Step 5: Solve for x
    x = 42,712,896.97/8,166.12
  6. Step 6: Final answer
    x = 5,230.50

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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.