Home / 5,177.97-7,770.15-2,256.53

Finding the Fourth Proportional to 5,177.97, 7,770.15 and 2,256.53

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Solution

The fourth proportional to 5,177.97, 7,770.15 and 2,256.53 is: 3,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.97 : 7,770.15 = 2,256.53 : x
  2. Step 2: Convert to fraction form
    5,177.97/7,770.15 = 2,256.53/x
  3. Step 3: Cross multiply
    5,177.97x = 7,770.15 × 2,256.53
  4. Step 4: Simplify right side
    5,177.97x = 17,533,537.73
  5. Step 5: Solve for x
    x = 17,533,537.73/5,177.97
  6. Step 6: Final answer
    x = 3,386.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.