Home / 8,864.35-13,298.82-3,318.12

Finding the Fourth Proportional to 8,864.35, 13,298.82 and 3,318.12

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Solution

The fourth proportional to 8,864.35, 13,298.82 and 3,318.12 is: 4,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.35 : 13,298.82 = 3,318.12 : x
  2. Step 2: Convert to fraction form
    8,864.35/13,298.82 = 3,318.12/x
  3. Step 3: Cross multiply
    8,864.35x = 13,298.82 × 3,318.12
  4. Step 4: Simplify right side
    8,864.35x = 44,127,080.62
  5. Step 5: Solve for x
    x = 44,127,080.62/8,864.35
  6. Step 6: Final answer
    x = 4,978.04

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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.