Home / 5,627.96-7,768.10-3,238.20

Finding the Fourth Proportional to 5,627.96, 7,768.10 and 3,238.20

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Solution

The fourth proportional to 5,627.96, 7,768.10 and 3,238.20 is: 4,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.96 : 7,768.10 = 3,238.20 : x
  2. Step 2: Convert to fraction form
    5,627.96/7,768.10 = 3,238.20/x
  3. Step 3: Cross multiply
    5,627.96x = 7,768.10 × 3,238.20
  4. Step 4: Simplify right side
    5,627.96x = 25,154,645.23
  5. Step 5: Solve for x
    x = 25,154,645.23/5,627.96
  6. Step 6: Final answer
    x = 4,469.59

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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.