Home / 8,879.10-13,319.26-5,373.02

Finding the Fourth Proportional to 8,879.10, 13,319.26 and 5,373.02

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Solution

The fourth proportional to 8,879.10, 13,319.26 and 5,373.02 is: 8,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.10 : 13,319.26 = 5,373.02 : x
  2. Step 2: Convert to fraction form
    8,879.10/13,319.26 = 5,373.02/x
  3. Step 3: Cross multiply
    8,879.10x = 13,319.26 × 5,373.02
  4. Step 4: Simplify right side
    8,879.10x = 71,564,650.37
  5. Step 5: Solve for x
    x = 71,564,650.37/8,879.10
  6. Step 6: Final answer
    x = 8,059.90

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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.