Home / 5,254.20-7,881.30-3,180.60

Finding the Fourth Proportional to 5,254.20, 7,881.30 and 3,180.60

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Solution

The fourth proportional to 5,254.20, 7,881.30 and 3,180.60 is: 4,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.20 : 7,881.30 = 3,180.60 : x
  2. Step 2: Convert to fraction form
    5,254.20/7,881.30 = 3,180.60/x
  3. Step 3: Cross multiply
    5,254.20x = 7,881.30 × 3,180.60
  4. Step 4: Simplify right side
    5,254.20x = 25,067,262.78
  5. Step 5: Solve for x
    x = 25,067,262.78/5,254.20
  6. Step 6: Final answer
    x = 4,770.90

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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.