Home / 5,227.86-7,840.13-1,717.29

Finding the Fourth Proportional to 5,227.86, 7,840.13 and 1,717.29

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Solution

The fourth proportional to 5,227.86, 7,840.13 and 1,717.29 is: 2,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.86 : 7,840.13 = 1,717.29 : x
  2. Step 2: Convert to fraction form
    5,227.86/7,840.13 = 1,717.29/x
  3. Step 3: Cross multiply
    5,227.86x = 7,840.13 × 1,717.29
  4. Step 4: Simplify right side
    5,227.86x = 13,463,781.14
  5. Step 5: Solve for x
    x = 13,463,781.14/5,227.86
  6. Step 6: Final answer
    x = 2,575.39

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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.