Home / 5,781.51-8,670.33-2,493.72

Finding the Fourth Proportional to 5,781.51, 8,670.33 and 2,493.72

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Solution

The fourth proportional to 5,781.51, 8,670.33 and 2,493.72 is: 3,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.51 : 8,670.33 = 2,493.72 : x
  2. Step 2: Convert to fraction form
    5,781.51/8,670.33 = 2,493.72/x
  3. Step 3: Cross multiply
    5,781.51x = 8,670.33 × 2,493.72
  4. Step 4: Simplify right side
    5,781.51x = 21,621,375.33
  5. Step 5: Solve for x
    x = 21,621,375.33/5,781.51
  6. Step 6: Final answer
    x = 3,739.75

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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.