Home / 8,982.04-13,473.16-3,138.68

Finding the Fourth Proportional to 8,982.04, 13,473.16 and 3,138.68

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Solution

The fourth proportional to 8,982.04, 13,473.16 and 3,138.68 is: 4,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.04 : 13,473.16 = 3,138.68 : x
  2. Step 2: Convert to fraction form
    8,982.04/13,473.16 = 3,138.68/x
  3. Step 3: Cross multiply
    8,982.04x = 13,473.16 × 3,138.68
  4. Step 4: Simplify right side
    8,982.04x = 42,287,937.83
  5. Step 5: Solve for x
    x = 42,287,937.83/8,982.04
  6. Step 6: Final answer
    x = 4,708.05

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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.