Home / 5,456.92-8,187.82-2,859.26

Finding the Fourth Proportional to 5,456.92, 8,187.82 and 2,859.26

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Solution

The fourth proportional to 5,456.92, 8,187.82 and 2,859.26 is: 4,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.92 : 8,187.82 = 2,859.26 : x
  2. Step 2: Convert to fraction form
    5,456.92/8,187.82 = 2,859.26/x
  3. Step 3: Cross multiply
    5,456.92x = 8,187.82 × 2,859.26
  4. Step 4: Simplify right side
    5,456.92x = 23,411,106.21
  5. Step 5: Solve for x
    x = 23,411,106.21/5,456.92
  6. Step 6: Final answer
    x = 4,290.17

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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.