Home / 8,512.20-12,773.70-5,002.20

Finding the Fourth Proportional to 8,512.20, 12,773.70 and 5,002.20

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Solution

The fourth proportional to 8,512.20, 12,773.70 and 5,002.20 is: 7,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.20 : 12,773.70 = 5,002.20 : x
  2. Step 2: Convert to fraction form
    8,512.20/12,773.70 = 5,002.20/x
  3. Step 3: Cross multiply
    8,512.20x = 12,773.70 × 5,002.20
  4. Step 4: Simplify right side
    8,512.20x = 63,896,602.14
  5. Step 5: Solve for x
    x = 63,896,602.14/8,512.20
  6. Step 6: Final answer
    x = 7,506.47

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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.