Home / 3,927.25-5,918.45-3,537.70

Finding the Fourth Proportional to 3,927.25, 5,918.45 and 3,537.70

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Solution

The fourth proportional to 3,927.25, 5,918.45 and 3,537.70 is: 5,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.25 : 5,918.45 = 3,537.70 : x
  2. Step 2: Convert to fraction form
    3,927.25/5,918.45 = 3,537.70/x
  3. Step 3: Cross multiply
    3,927.25x = 5,918.45 × 3,537.70
  4. Step 4: Simplify right side
    3,927.25x = 20,937,700.57
  5. Step 5: Solve for x
    x = 20,937,700.57/3,927.25
  6. Step 6: Final answer
    x = 5,331.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.