Home / 4,387.82-6,055.85-2,687.29

Finding the Fourth Proportional to 4,387.82, 6,055.85 and 2,687.29

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Solution

The fourth proportional to 4,387.82, 6,055.85 and 2,687.29 is: 3,708.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.82 : 6,055.85 = 2,687.29 : x
  2. Step 2: Convert to fraction form
    4,387.82/6,055.85 = 2,687.29/x
  3. Step 3: Cross multiply
    4,387.82x = 6,055.85 × 2,687.29
  4. Step 4: Simplify right side
    4,387.82x = 16,273,835.67
  5. Step 5: Solve for x
    x = 16,273,835.67/4,387.82
  6. Step 6: Final answer
    x = 3,708.87

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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.