Home / 8,879.04-13,299.84-5,358.12

Finding the Fourth Proportional to 8,879.04, 13,299.84 and 5,358.12

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Solution

The fourth proportional to 8,879.04, 13,299.84 and 5,358.12 is: 8,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.04 : 13,299.84 = 5,358.12 : x
  2. Step 2: Convert to fraction form
    8,879.04/13,299.84 = 5,358.12/x
  3. Step 3: Cross multiply
    8,879.04x = 13,299.84 × 5,358.12
  4. Step 4: Simplify right side
    8,879.04x = 71,262,138.70
  5. Step 5: Solve for x
    x = 71,262,138.70/8,879.04
  6. Step 6: Final answer
    x = 8,025.88

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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.