Home / 8,008.20-12,010.90-2,165.28

Finding the Fourth Proportional to 8,008.20, 12,010.90 and 2,165.28

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Solution

The fourth proportional to 8,008.20, 12,010.90 and 2,165.28 is: 3,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.20 : 12,010.90 = 2,165.28 : x
  2. Step 2: Convert to fraction form
    8,008.20/12,010.90 = 2,165.28/x
  3. Step 3: Cross multiply
    8,008.20x = 12,010.90 × 2,165.28
  4. Step 4: Simplify right side
    8,008.20x = 26,006,961.55
  5. Step 5: Solve for x
    x = 26,006,961.55/8,008.20
  6. Step 6: Final answer
    x = 3,247.54

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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.