Home / 5,101.60-7,652.40-3,254.80

Finding the Fourth Proportional to 5,101.60, 7,652.40 and 3,254.80

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Solution

The fourth proportional to 5,101.60, 7,652.40 and 3,254.80 is: 4,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.60 : 7,652.40 = 3,254.80 : x
  2. Step 2: Convert to fraction form
    5,101.60/7,652.40 = 3,254.80/x
  3. Step 3: Cross multiply
    5,101.60x = 7,652.40 × 3,254.80
  4. Step 4: Simplify right side
    5,101.60x = 24,907,031.52
  5. Step 5: Solve for x
    x = 24,907,031.52/5,101.60
  6. Step 6: Final answer
    x = 4,882.20

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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.