Home / 5,480.38-7,562.80-3,212.28

Finding the Fourth Proportional to 5,480.38, 7,562.80 and 3,212.28

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Solution

The fourth proportional to 5,480.38, 7,562.80 and 3,212.28 is: 4,432.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.38 : 7,562.80 = 3,212.28 : x
  2. Step 2: Convert to fraction form
    5,480.38/7,562.80 = 3,212.28/x
  3. Step 3: Cross multiply
    5,480.38x = 7,562.80 × 3,212.28
  4. Step 4: Simplify right side
    5,480.38x = 24,293,831.18
  5. Step 5: Solve for x
    x = 24,293,831.18/5,480.38
  6. Step 6: Final answer
    x = 4,432.87

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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.