Home / 8,879.86-13,319.82-2,306.10

Finding the Fourth Proportional to 8,879.86, 13,319.82 and 2,306.10

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Solution

The fourth proportional to 8,879.86, 13,319.82 and 2,306.10 is: 3,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.86 : 13,319.82 = 2,306.10 : x
  2. Step 2: Convert to fraction form
    8,879.86/13,319.82 = 2,306.10/x
  3. Step 3: Cross multiply
    8,879.86x = 13,319.82 × 2,306.10
  4. Step 4: Simplify right side
    8,879.86x = 30,716,836.90
  5. Step 5: Solve for x
    x = 30,716,836.90/8,879.86
  6. Step 6: Final answer
    x = 3,459.16

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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.