Home / 4,258.25-5,875.98-3,139.79

Finding the Fourth Proportional to 4,258.25, 5,875.98 and 3,139.79

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Solution

The fourth proportional to 4,258.25, 5,875.98 and 3,139.79 is: 4,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.25 : 5,875.98 = 3,139.79 : x
  2. Step 2: Convert to fraction form
    4,258.25/5,875.98 = 3,139.79/x
  3. Step 3: Cross multiply
    4,258.25x = 5,875.98 × 3,139.79
  4. Step 4: Simplify right side
    4,258.25x = 18,449,335.14
  5. Step 5: Solve for x
    x = 18,449,335.14/4,258.25
  6. Step 6: Final answer
    x = 4,332.61

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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.