Home / 5,527.35-7,630.09-3,289.43

Finding the Fourth Proportional to 5,527.35, 7,630.09 and 3,289.43

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Solution

The fourth proportional to 5,527.35, 7,630.09 and 3,289.43 is: 4,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.35 : 7,630.09 = 3,289.43 : x
  2. Step 2: Convert to fraction form
    5,527.35/7,630.09 = 3,289.43/x
  3. Step 3: Cross multiply
    5,527.35x = 7,630.09 × 3,289.43
  4. Step 4: Simplify right side
    5,527.35x = 25,098,646.95
  5. Step 5: Solve for x
    x = 25,098,646.95/5,527.35
  6. Step 6: Final answer
    x = 4,540.81

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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.