Home / 5,456.69-8,186.29-1,708.26

Finding the Fourth Proportional to 5,456.69, 8,186.29 and 1,708.26

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Solution

The fourth proportional to 5,456.69, 8,186.29 and 1,708.26 is: 2,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.69 : 8,186.29 = 1,708.26 : x
  2. Step 2: Convert to fraction form
    5,456.69/8,186.29 = 1,708.26/x
  3. Step 3: Cross multiply
    5,456.69x = 8,186.29 × 1,708.26
  4. Step 4: Simplify right side
    5,456.69x = 13,984,270.82
  5. Step 5: Solve for x
    x = 13,984,270.82/5,456.69
  6. Step 6: Final answer
    x = 2,562.78

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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.