Home / 8,549.24-12,805.77-5,427.59

Finding the Fourth Proportional to 8,549.24, 12,805.77 and 5,427.59

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Solution

The fourth proportional to 8,549.24, 12,805.77 and 5,427.59 is: 8,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.24 : 12,805.77 = 5,427.59 : x
  2. Step 2: Convert to fraction form
    8,549.24/12,805.77 = 5,427.59/x
  3. Step 3: Cross multiply
    8,549.24x = 12,805.77 × 5,427.59
  4. Step 4: Simplify right side
    8,549.24x = 69,504,469.19
  5. Step 5: Solve for x
    x = 69,504,469.19/8,549.24
  6. Step 6: Final answer
    x = 8,129.90

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1.5x scale

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.