Home / 4,140.39-6,180.75-3,549

Finding the Fourth Proportional to 4,140.39, 6,180.75 and 3,549

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Solution

The fourth proportional to 4,140.39, 6,180.75 and 3,549 is: 5,297.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.39 : 6,180.75 = 3,549 : x
  2. Step 2: Convert to fraction form
    4,140.39/6,180.75 = 3,549/x
  3. Step 3: Cross multiply
    4,140.39x = 6,180.75 × 3,549
  4. Step 4: Simplify right side
    4,140.39x = 21,935,481.75
  5. Step 5: Solve for x
    x = 21,935,481.75/4,140.39
  6. Step 6: Final answer
    x = 5,297.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.