Home / 8,817.47-12,168.56-5,282.73

Finding the Fourth Proportional to 8,817.47, 12,168.56 and 5,282.73

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Solution

The fourth proportional to 8,817.47, 12,168.56 and 5,282.73 is: 7,290.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.47 : 12,168.56 = 5,282.73 : x
  2. Step 2: Convert to fraction form
    8,817.47/12,168.56 = 5,282.73/x
  3. Step 3: Cross multiply
    8,817.47x = 12,168.56 × 5,282.73
  4. Step 4: Simplify right side
    8,817.47x = 64,283,230.18
  5. Step 5: Solve for x
    x = 64,283,230.18/8,817.47
  6. Step 6: Final answer
    x = 7,290.44

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1.5x scale

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.