Home / 5,540.28-7,641.67-3,300.42

Finding the Fourth Proportional to 5,540.28, 7,641.67 and 3,300.42

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Solution

The fourth proportional to 5,540.28, 7,641.67 and 3,300.42 is: 4,552.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.28 : 7,641.67 = 3,300.42 : x
  2. Step 2: Convert to fraction form
    5,540.28/7,641.67 = 3,300.42/x
  3. Step 3: Cross multiply
    5,540.28x = 7,641.67 × 3,300.42
  4. Step 4: Simplify right side
    5,540.28x = 25,220,740.91
  5. Step 5: Solve for x
    x = 25,220,740.91/5,540.28
  6. Step 6: Final answer
    x = 4,552.25

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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.