Home / 4,217.78-5,818.59-2,726.18

Finding the Fourth Proportional to 4,217.78, 5,818.59 and 2,726.18

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Solution

The fourth proportional to 4,217.78, 5,818.59 and 2,726.18 is: 3,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,217.78 : 5,818.59 = 2,726.18 : x
  2. Step 2: Convert to fraction form
    4,217.78/5,818.59 = 2,726.18/x
  3. Step 3: Cross multiply
    4,217.78x = 5,818.59 × 2,726.18
  4. Step 4: Simplify right side
    4,217.78x = 15,862,494.59
  5. Step 5: Solve for x
    x = 15,862,494.59/4,217.78
  6. Step 6: Final answer
    x = 3,760.86

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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.