Home / 8,010.28-12,003.90-4,540.20

Finding the Fourth Proportional to 8,010.28, 12,003.90 and 4,540.20

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Solution

The fourth proportional to 8,010.28, 12,003.90 and 4,540.20 is: 6,803.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,010.28 : 12,003.90 = 4,540.20 : x
  2. Step 2: Convert to fraction form
    8,010.28/12,003.90 = 4,540.20/x
  3. Step 3: Cross multiply
    8,010.28x = 12,003.90 × 4,540.20
  4. Step 4: Simplify right side
    8,010.28x = 54,500,106.78
  5. Step 5: Solve for x
    x = 54,500,106.78/8,010.28
  6. Step 6: Final answer
    x = 6,803.77

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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.