Home / 5,456.76-8,185.64-1,758.12

Finding the Fourth Proportional to 5,456.76, 8,185.64 and 1,758.12

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Solution

The fourth proportional to 5,456.76, 8,185.64 and 1,758.12 is: 2,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.76 : 8,185.64 = 1,758.12 : x
  2. Step 2: Convert to fraction form
    5,456.76/8,185.64 = 1,758.12/x
  3. Step 3: Cross multiply
    5,456.76x = 8,185.64 × 1,758.12
  4. Step 4: Simplify right side
    5,456.76x = 14,391,287.68
  5. Step 5: Solve for x
    x = 14,391,287.68/5,456.76
  6. Step 6: Final answer
    x = 2,637.33

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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.