Home / 8,497.17-12,731.85-5,200.20

Finding the Fourth Proportional to 8,497.17, 12,731.85 and 5,200.20

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Solution

The fourth proportional to 8,497.17, 12,731.85 and 5,200.20 is: 7,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.17 : 12,731.85 = 5,200.20 : x
  2. Step 2: Convert to fraction form
    8,497.17/12,731.85 = 5,200.20/x
  3. Step 3: Cross multiply
    8,497.17x = 12,731.85 × 5,200.20
  4. Step 4: Simplify right side
    8,497.17x = 66,208,166.37
  5. Step 5: Solve for x
    x = 66,208,166.37/8,497.17
  6. Step 6: Final answer
    x = 7,791.79

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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.