Home / 8,888.18-12,251.31-6,756.62

Finding the Fourth Proportional to 8,888.18, 12,251.31 and 6,756.62

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Solution

The fourth proportional to 8,888.18, 12,251.31 and 6,756.62 is: 9,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,888.18 : 12,251.31 = 6,756.62 : x
  2. Step 2: Convert to fraction form
    8,888.18/12,251.31 = 6,756.62/x
  3. Step 3: Cross multiply
    8,888.18x = 12,251.31 × 6,756.62
  4. Step 4: Simplify right side
    8,888.18x = 82,777,446.17
  5. Step 5: Solve for x
    x = 82,777,446.17/8,888.18
  6. Step 6: Final answer
    x = 9,313.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.