Home / 4,229.08-5,822.88-3,840.28

Finding the Fourth Proportional to 4,229.08, 5,822.88 and 3,840.28

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Solution

The fourth proportional to 4,229.08, 5,822.88 and 3,840.28 is: 5,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.08 : 5,822.88 = 3,840.28 : x
  2. Step 2: Convert to fraction form
    4,229.08/5,822.88 = 3,840.28/x
  3. Step 3: Cross multiply
    4,229.08x = 5,822.88 × 3,840.28
  4. Step 4: Simplify right side
    4,229.08x = 22,361,489.61
  5. Step 5: Solve for x
    x = 22,361,489.61/4,229.08
  6. Step 6: Final answer
    x = 5,287.55

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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.