Home / 5,441.72-8,175.13-5,220.38

Finding the Fourth Proportional to 5,441.72, 8,175.13 and 5,220.38

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Solution

The fourth proportional to 5,441.72, 8,175.13 and 5,220.38 is: 7,842.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.72 : 8,175.13 = 5,220.38 : x
  2. Step 2: Convert to fraction form
    5,441.72/8,175.13 = 5,220.38/x
  3. Step 3: Cross multiply
    5,441.72x = 8,175.13 × 5,220.38
  4. Step 4: Simplify right side
    5,441.72x = 42,677,292.54
  5. Step 5: Solve for x
    x = 42,677,292.54/5,441.72
  6. Step 6: Final answer
    x = 7,842.62

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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.