Home / 5,443.75-7,512.38-2,959.75

Finding the Fourth Proportional to 5,443.75, 7,512.38 and 2,959.75

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Solution

The fourth proportional to 5,443.75, 7,512.38 and 2,959.75 is: 4,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.75 : 7,512.38 = 2,959.75 : x
  2. Step 2: Convert to fraction form
    5,443.75/7,512.38 = 2,959.75/x
  3. Step 3: Cross multiply
    5,443.75x = 7,512.38 × 2,959.75
  4. Step 4: Simplify right side
    5,443.75x = 22,234,766.71
  5. Step 5: Solve for x
    x = 22,234,766.71/5,443.75
  6. Step 6: Final answer
    x = 4,084.46

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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.