Home / 8,091.48-11,158.32-5,257.80

Finding the Fourth Proportional to 8,091.48, 11,158.32 and 5,257.80

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Solution

The fourth proportional to 8,091.48, 11,158.32 and 5,257.80 is: 7,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.48 : 11,158.32 = 5,257.80 : x
  2. Step 2: Convert to fraction form
    8,091.48/11,158.32 = 5,257.80/x
  3. Step 3: Cross multiply
    8,091.48x = 11,158.32 × 5,257.80
  4. Step 4: Simplify right side
    8,091.48x = 58,668,214.90
  5. Step 5: Solve for x
    x = 58,668,214.90/8,091.48
  6. Step 6: Final answer
    x = 7,250.62

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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.