Home / 5,137.08-7,705.60-1,241.48

Finding the Fourth Proportional to 5,137.08, 7,705.60 and 1,241.48

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Solution

The fourth proportional to 5,137.08, 7,705.60 and 1,241.48 is: 1,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.08 : 7,705.60 = 1,241.48 : x
  2. Step 2: Convert to fraction form
    5,137.08/7,705.60 = 1,241.48/x
  3. Step 3: Cross multiply
    5,137.08x = 7,705.60 × 1,241.48
  4. Step 4: Simplify right side
    5,137.08x = 9,566,348.29
  5. Step 5: Solve for x
    x = 9,566,348.29/5,137.08
  6. Step 6: Final answer
    x = 1,862.22

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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.