Home / 8,229.92-12,347.04-2,386.96

Finding the Fourth Proportional to 8,229.92, 12,347.04 and 2,386.96

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Solution

The fourth proportional to 8,229.92, 12,347.04 and 2,386.96 is: 3,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.92 : 12,347.04 = 2,386.96 : x
  2. Step 2: Convert to fraction form
    8,229.92/12,347.04 = 2,386.96/x
  3. Step 3: Cross multiply
    8,229.92x = 12,347.04 × 2,386.96
  4. Step 4: Simplify right side
    8,229.92x = 29,471,890.60
  5. Step 5: Solve for x
    x = 29,471,890.60/8,229.92
  6. Step 6: Final answer
    x = 3,581.07

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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.