Home / 4,989.60-7,452.84-3,882.45

Finding the Fourth Proportional to 4,989.60, 7,452.84 and 3,882.45

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Solution

The fourth proportional to 4,989.60, 7,452.84 and 3,882.45 is: 5,799.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.60 : 7,452.84 = 3,882.45 : x
  2. Step 2: Convert to fraction form
    4,989.60/7,452.84 = 3,882.45/x
  3. Step 3: Cross multiply
    4,989.60x = 7,452.84 × 3,882.45
  4. Step 4: Simplify right side
    4,989.60x = 28,935,278.66
  5. Step 5: Solve for x
    x = 28,935,278.66/4,989.60
  6. Step 6: Final answer
    x = 5,799.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.