Home / 8,116.90-11,204.49-5,323.30

Finding the Fourth Proportional to 8,116.90, 11,204.49 and 5,323.30

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Solution

The fourth proportional to 8,116.90, 11,204.49 and 5,323.30 is: 7,348.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.90 : 11,204.49 = 5,323.30 : x
  2. Step 2: Convert to fraction form
    8,116.90/11,204.49 = 5,323.30/x
  3. Step 3: Cross multiply
    8,116.90x = 11,204.49 × 5,323.30
  4. Step 4: Simplify right side
    8,116.90x = 59,644,861.62
  5. Step 5: Solve for x
    x = 59,644,861.62/8,116.90
  6. Step 6: Final answer
    x = 7,348.23

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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.