Home / 4,245.79-5,857.47-2,672.97

Finding the Fourth Proportional to 4,245.79, 5,857.47 and 2,672.97

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Solution

The fourth proportional to 4,245.79, 5,857.47 and 2,672.97 is: 3,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.79 : 5,857.47 = 2,672.97 : x
  2. Step 2: Convert to fraction form
    4,245.79/5,857.47 = 2,672.97/x
  3. Step 3: Cross multiply
    4,245.79x = 5,857.47 × 2,672.97
  4. Step 4: Simplify right side
    4,245.79x = 15,656,841.59
  5. Step 5: Solve for x
    x = 15,656,841.59/4,245.79
  6. Step 6: Final answer
    x = 3,687.62

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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.