Home / 5,181.97-7,768.34-2,407.13

Finding the Fourth Proportional to 5,181.97, 7,768.34 and 2,407.13

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Solution

The fourth proportional to 5,181.97, 7,768.34 and 2,407.13 is: 3,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.97 : 7,768.34 = 2,407.13 : x
  2. Step 2: Convert to fraction form
    5,181.97/7,768.34 = 2,407.13/x
  3. Step 3: Cross multiply
    5,181.97x = 7,768.34 × 2,407.13
  4. Step 4: Simplify right side
    5,181.97x = 18,699,404.26
  5. Step 5: Solve for x
    x = 18,699,404.26/5,181.97
  6. Step 6: Final answer
    x = 3,608.55

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1.5x scale

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.