Home / 4,489.80-6,195.84-2,500.20

Finding the Fourth Proportional to 4,489.80, 6,195.84 and 2,500.20

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Solution

The fourth proportional to 4,489.80, 6,195.84 and 2,500.20 is: 3,450.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.80 : 6,195.84 = 2,500.20 : x
  2. Step 2: Convert to fraction form
    4,489.80/6,195.84 = 2,500.20/x
  3. Step 3: Cross multiply
    4,489.80x = 6,195.84 × 2,500.20
  4. Step 4: Simplify right side
    4,489.80x = 15,490,839.17
  5. Step 5: Solve for x
    x = 15,490,839.17/4,489.80
  6. Step 6: Final answer
    x = 3,450.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.