Home / 8,724.62-13,088.01-2,879.66

Finding the Fourth Proportional to 8,724.62, 13,088.01 and 2,879.66

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Solution

The fourth proportional to 8,724.62, 13,088.01 and 2,879.66 is: 4,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.62 : 13,088.01 = 2,879.66 : x
  2. Step 2: Convert to fraction form
    8,724.62/13,088.01 = 2,879.66/x
  3. Step 3: Cross multiply
    8,724.62x = 13,088.01 × 2,879.66
  4. Step 4: Simplify right side
    8,724.62x = 37,689,018.88
  5. Step 5: Solve for x
    x = 37,689,018.88/8,724.62
  6. Step 6: Final answer
    x = 4,319.85

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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.