Home / 8,819.30-12,171.04-5,282.44

Finding the Fourth Proportional to 8,819.30, 12,171.04 and 5,282.44

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Solution

The fourth proportional to 8,819.30, 12,171.04 and 5,282.44 is: 7,290.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.30 : 12,171.04 = 5,282.44 : x
  2. Step 2: Convert to fraction form
    8,819.30/12,171.04 = 5,282.44/x
  3. Step 3: Cross multiply
    8,819.30x = 12,171.04 × 5,282.44
  4. Step 4: Simplify right side
    8,819.30x = 64,292,744.90
  5. Step 5: Solve for x
    x = 64,292,744.90/8,819.30
  6. Step 6: Final answer
    x = 7,290.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.