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Finding the Fourth Proportional to 8,010.10, 12,007.95 and 5,086.90

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Solution

The fourth proportional to 8,010.10, 12,007.95 and 5,086.90 is: 7,625.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.10 : 12,007.95 = 5,086.90 : x
  2. Step 2: Convert to fraction form
    8,010.10/12,007.95 = 5,086.90/x
  3. Step 3: Cross multiply
    8,010.10x = 12,007.95 × 5,086.90
  4. Step 4: Simplify right side
    8,010.10x = 61,083,240.86
  5. Step 5: Solve for x
    x = 61,083,240.86/8,010.10
  6. Step 6: Final answer
    x = 7,625.78

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1.5x scale

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.