Home / 4,126.24-5,689.92-2,868.72

Finding the Fourth Proportional to 4,126.24, 5,689.92 and 2,868.72

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Solution

The fourth proportional to 4,126.24, 5,689.92 and 2,868.72 is: 3,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.24 : 5,689.92 = 2,868.72 : x
  2. Step 2: Convert to fraction form
    4,126.24/5,689.92 = 2,868.72/x
  3. Step 3: Cross multiply
    4,126.24x = 5,689.92 × 2,868.72
  4. Step 4: Simplify right side
    4,126.24x = 16,322,787.30
  5. Step 5: Solve for x
    x = 16,322,787.30/4,126.24
  6. Step 6: Final answer
    x = 3,955.85

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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.