Home / 4,258.13-6,391.07-2,179.57

Finding the Fourth Proportional to 4,258.13, 6,391.07 and 2,179.57

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Solution

The fourth proportional to 4,258.13, 6,391.07 and 2,179.57 is: 3,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.13 : 6,391.07 = 2,179.57 : x
  2. Step 2: Convert to fraction form
    4,258.13/6,391.07 = 2,179.57/x
  3. Step 3: Cross multiply
    4,258.13x = 6,391.07 × 2,179.57
  4. Step 4: Simplify right side
    4,258.13x = 13,929,757.56
  5. Step 5: Solve for x
    x = 13,929,757.56/4,258.13
  6. Step 6: Final answer
    x = 3,271.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.