Home / 5,401.21-8,101.82-1,505.65

Finding the Fourth Proportional to 5,401.21, 8,101.82 and 1,505.65

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Solution

The fourth proportional to 5,401.21, 8,101.82 and 1,505.65 is: 2,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.21 : 8,101.82 = 1,505.65 : x
  2. Step 2: Convert to fraction form
    5,401.21/8,101.82 = 1,505.65/x
  3. Step 3: Cross multiply
    5,401.21x = 8,101.82 × 1,505.65
  4. Step 4: Simplify right side
    5,401.21x = 12,198,505.28
  5. Step 5: Solve for x
    x = 12,198,505.28/5,401.21
  6. Step 6: Final answer
    x = 2,258.48

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Similar ratio
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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.