Home / 6,921.44-9,552.10-3,938.24

Finding the Fourth Proportional to 6,921.44, 9,552.10 and 3,938.24

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Solution

The fourth proportional to 6,921.44, 9,552.10 and 3,938.24 is: 5,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.44 : 9,552.10 = 3,938.24 : x
  2. Step 2: Convert to fraction form
    6,921.44/9,552.10 = 3,938.24/x
  3. Step 3: Cross multiply
    6,921.44x = 9,552.10 × 3,938.24
  4. Step 4: Simplify right side
    6,921.44x = 37,618,394.85
  5. Step 5: Solve for x
    x = 37,618,394.85/6,921.44
  6. Step 6: Final answer
    x = 5,435.05

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Double scale
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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.