Home / 4,275.72-5,891.74-3,154.88

Finding the Fourth Proportional to 4,275.72, 5,891.74 and 3,154.88

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Solution

The fourth proportional to 4,275.72, 5,891.74 and 3,154.88 is: 4,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.72 : 5,891.74 = 3,154.88 : x
  2. Step 2: Convert to fraction form
    4,275.72/5,891.74 = 3,154.88/x
  3. Step 3: Cross multiply
    4,275.72x = 5,891.74 × 3,154.88
  4. Step 4: Simplify right side
    4,275.72x = 18,587,732.69
  5. Step 5: Solve for x
    x = 18,587,732.69/4,275.72
  6. Step 6: Final answer
    x = 4,347.28

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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.