Home / 8,304.48-11,456.10-5,118.75

Finding the Fourth Proportional to 8,304.48, 11,456.10 and 5,118.75

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Solution

The fourth proportional to 8,304.48, 11,456.10 and 5,118.75 is: 7,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.48 : 11,456.10 = 5,118.75 : x
  2. Step 2: Convert to fraction form
    8,304.48/11,456.10 = 5,118.75/x
  3. Step 3: Cross multiply
    8,304.48x = 11,456.10 × 5,118.75
  4. Step 4: Simplify right side
    8,304.48x = 58,640,911.88
  5. Step 5: Solve for x
    x = 58,640,911.88/8,304.48
  6. Step 6: Final answer
    x = 7,061.36

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.