Home / 5,447.24-8,170.55-1,551.55

Finding the Fourth Proportional to 5,447.24, 8,170.55 and 1,551.55

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Solution

The fourth proportional to 5,447.24, 8,170.55 and 1,551.55 is: 2,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.24 : 8,170.55 = 1,551.55 : x
  2. Step 2: Convert to fraction form
    5,447.24/8,170.55 = 1,551.55/x
  3. Step 3: Cross multiply
    5,447.24x = 8,170.55 × 1,551.55
  4. Step 4: Simplify right side
    5,447.24x = 12,676,976.00
  5. Step 5: Solve for x
    x = 12,676,976.00/5,447.24
  6. Step 6: Final answer
    x = 2,327.23

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Double scale
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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.