Home / 4,024.50-5,555.97-3,138.18

Finding the Fourth Proportional to 4,024.50, 5,555.97 and 3,138.18

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Solution

The fourth proportional to 4,024.50, 5,555.97 and 3,138.18 is: 4,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,024.50 : 5,555.97 = 3,138.18 : x
  2. Step 2: Convert to fraction form
    4,024.50/5,555.97 = 3,138.18/x
  3. Step 3: Cross multiply
    4,024.50x = 5,555.97 × 3,138.18
  4. Step 4: Simplify right side
    4,024.50x = 17,435,633.93
  5. Step 5: Solve for x
    x = 17,435,633.93/4,024.50
  6. Step 6: Final answer
    x = 4,332.37

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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.