Home / 4,282.54-5,912.63-2,689.98

Finding the Fourth Proportional to 4,282.54, 5,912.63 and 2,689.98

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Solution

The fourth proportional to 4,282.54, 5,912.63 and 2,689.98 is: 3,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.54 : 5,912.63 = 2,689.98 : x
  2. Step 2: Convert to fraction form
    4,282.54/5,912.63 = 2,689.98/x
  3. Step 3: Cross multiply
    4,282.54x = 5,912.63 × 2,689.98
  4. Step 4: Simplify right side
    4,282.54x = 15,904,830.91
  5. Step 5: Solve for x
    x = 15,904,830.91/4,282.54
  6. Step 6: Final answer
    x = 3,713.88

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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.