Home / 8,552.20-12,820.56-3,356.68

Finding the Fourth Proportional to 8,552.20, 12,820.56 and 3,356.68

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Solution

The fourth proportional to 8,552.20, 12,820.56 and 3,356.68 is: 5,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.20 : 12,820.56 = 3,356.68 : x
  2. Step 2: Convert to fraction form
    8,552.20/12,820.56 = 3,356.68/x
  3. Step 3: Cross multiply
    8,552.20x = 12,820.56 × 3,356.68
  4. Step 4: Simplify right side
    8,552.20x = 43,034,517.34
  5. Step 5: Solve for x
    x = 43,034,517.34/8,552.20
  6. Step 6: Final answer
    x = 5,031.98

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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.