Home / 5,390.22-7,439.19-3,032.82

Finding the Fourth Proportional to 5,390.22, 7,439.19 and 3,032.82

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Solution

The fourth proportional to 5,390.22, 7,439.19 and 3,032.82 is: 4,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.22 : 7,439.19 = 3,032.82 : x
  2. Step 2: Convert to fraction form
    5,390.22/7,439.19 = 3,032.82/x
  3. Step 3: Cross multiply
    5,390.22x = 7,439.19 × 3,032.82
  4. Step 4: Simplify right side
    5,390.22x = 22,561,724.22
  5. Step 5: Solve for x
    x = 22,561,724.22/5,390.22
  6. Step 6: Final answer
    x = 4,185.68

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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.