Home / 8,219.85-12,330.17-4,006.97

Finding the Fourth Proportional to 8,219.85, 12,330.17 and 4,006.97

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Solution

The fourth proportional to 8,219.85, 12,330.17 and 4,006.97 is: 6,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219.85 : 12,330.17 = 4,006.97 : x
  2. Step 2: Convert to fraction form
    8,219.85/12,330.17 = 4,006.97/x
  3. Step 3: Cross multiply
    8,219.85x = 12,330.17 × 4,006.97
  4. Step 4: Simplify right side
    8,219.85x = 49,406,623.40
  5. Step 5: Solve for x
    x = 49,406,623.40/8,219.85
  6. Step 6: Final answer
    x = 6,010.65

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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.