Home / 5,599.88-7,727.28-3,242.78

Finding the Fourth Proportional to 5,599.88, 7,727.28 and 3,242.78

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Solution

The fourth proportional to 5,599.88, 7,727.28 and 3,242.78 is: 4,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.88 : 7,727.28 = 3,242.78 : x
  2. Step 2: Convert to fraction form
    5,599.88/7,727.28 = 3,242.78/x
  3. Step 3: Cross multiply
    5,599.88x = 7,727.28 × 3,242.78
  4. Step 4: Simplify right side
    5,599.88x = 25,057,869.04
  5. Step 5: Solve for x
    x = 25,057,869.04/5,599.88
  6. Step 6: Final answer
    x = 4,474.72

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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.