Home / 4,079.57-5,632.13-2,686.37

Finding the Fourth Proportional to 4,079.57, 5,632.13 and 2,686.37

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Solution

The fourth proportional to 4,079.57, 5,632.13 and 2,686.37 is: 3,708.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.57 : 5,632.13 = 2,686.37 : x
  2. Step 2: Convert to fraction form
    4,079.57/5,632.13 = 2,686.37/x
  3. Step 3: Cross multiply
    4,079.57x = 5,632.13 × 2,686.37
  4. Step 4: Simplify right side
    4,079.57x = 15,129,963.62
  5. Step 5: Solve for x
    x = 15,129,963.62/4,079.57
  6. Step 6: Final answer
    x = 3,708.72

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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.