Home / 8,188.40-12,278.28-3,566

Finding the Fourth Proportional to 8,188.40, 12,278.28 and 3,566

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Solution

The fourth proportional to 8,188.40, 12,278.28 and 3,566 is: 5,347.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.40 : 12,278.28 = 3,566 : x
  2. Step 2: Convert to fraction form
    8,188.40/12,278.28 = 3,566/x
  3. Step 3: Cross multiply
    8,188.40x = 12,278.28 × 3,566
  4. Step 4: Simplify right side
    8,188.40x = 43,784,346.48
  5. Step 5: Solve for x
    x = 43,784,346.48/8,188.40
  6. Step 6: Final answer
    x = 5,347.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.