Home / 8,429.92-12,645.15-2,883.04

Finding the Fourth Proportional to 8,429.92, 12,645.15 and 2,883.04

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Solution

The fourth proportional to 8,429.92, 12,645.15 and 2,883.04 is: 4,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.92 : 12,645.15 = 2,883.04 : x
  2. Step 2: Convert to fraction form
    8,429.92/12,645.15 = 2,883.04/x
  3. Step 3: Cross multiply
    8,429.92x = 12,645.15 × 2,883.04
  4. Step 4: Simplify right side
    8,429.92x = 36,456,473.26
  5. Step 5: Solve for x
    x = 36,456,473.26/8,429.92
  6. Step 6: Final answer
    x = 4,324.65

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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.