Home / 8,722.13-13,083.20-2,482.79

Finding the Fourth Proportional to 8,722.13, 13,083.20 and 2,482.79

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Solution

The fourth proportional to 8,722.13, 13,083.20 and 2,482.79 is: 3,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.13 : 13,083.20 = 2,482.79 : x
  2. Step 2: Convert to fraction form
    8,722.13/13,083.20 = 2,482.79/x
  3. Step 3: Cross multiply
    8,722.13x = 13,083.20 × 2,482.79
  4. Step 4: Simplify right side
    8,722.13x = 32,482,825.71
  5. Step 5: Solve for x
    x = 32,482,825.71/8,722.13
  6. Step 6: Final answer
    x = 3,724.19

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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.