Home / 5,259.38-7,258.29-3,398.90

Finding the Fourth Proportional to 5,259.38, 7,258.29 and 3,398.90

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Solution

The fourth proportional to 5,259.38, 7,258.29 and 3,398.90 is: 4,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.38 : 7,258.29 = 3,398.90 : x
  2. Step 2: Convert to fraction form
    5,259.38/7,258.29 = 3,398.90/x
  3. Step 3: Cross multiply
    5,259.38x = 7,258.29 × 3,398.90
  4. Step 4: Simplify right side
    5,259.38x = 24,670,201.88
  5. Step 5: Solve for x
    x = 24,670,201.88/5,259.38
  6. Step 6: Final answer
    x = 4,690.71

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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.