Home / 4,279.47-5,898.61-2,862.64

Finding the Fourth Proportional to 4,279.47, 5,898.61 and 2,862.64

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Solution

The fourth proportional to 4,279.47, 5,898.61 and 2,862.64 is: 3,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.47 : 5,898.61 = 2,862.64 : x
  2. Step 2: Convert to fraction form
    4,279.47/5,898.61 = 2,862.64/x
  3. Step 3: Cross multiply
    4,279.47x = 5,898.61 × 2,862.64
  4. Step 4: Simplify right side
    4,279.47x = 16,885,591.78
  5. Step 5: Solve for x
    x = 16,885,591.78/4,279.47
  6. Step 6: Final answer
    x = 3,945.72

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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.