Home / 5,825.20-8,040.48-3,963.28

Finding the Fourth Proportional to 5,825.20, 8,040.48 and 3,963.28

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Solution

The fourth proportional to 5,825.20, 8,040.48 and 3,963.28 is: 5,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.20 : 8,040.48 = 3,963.28 : x
  2. Step 2: Convert to fraction form
    5,825.20/8,040.48 = 3,963.28/x
  3. Step 3: Cross multiply
    5,825.20x = 8,040.48 × 3,963.28
  4. Step 4: Simplify right side
    5,825.20x = 31,866,673.57
  5. Step 5: Solve for x
    x = 31,866,673.57/5,825.20
  6. Step 6: Final answer
    x = 5,470.49

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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.