Home / 5,137.12-7,705.68-1,241.53

Finding the Fourth Proportional to 5,137.12, 7,705.68 and 1,241.53

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Solution

The fourth proportional to 5,137.12, 7,705.68 and 1,241.53 is: 1,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.12 : 7,705.68 = 1,241.53 : x
  2. Step 2: Convert to fraction form
    5,137.12/7,705.68 = 1,241.53/x
  3. Step 3: Cross multiply
    5,137.12x = 7,705.68 × 1,241.53
  4. Step 4: Simplify right side
    5,137.12x = 9,566,815.95
  5. Step 5: Solve for x
    x = 9,566,815.95/5,137.12
  6. Step 6: Final answer
    x = 1,862.29

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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.