Home / 6,851.18-10,255.82-4,388.38

Finding the Fourth Proportional to 6,851.18, 10,255.82 and 4,388.38

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Solution

The fourth proportional to 6,851.18, 10,255.82 and 4,388.38 is: 6,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.18 : 10,255.82 = 4,388.38 : x
  2. Step 2: Convert to fraction form
    6,851.18/10,255.82 = 4,388.38/x
  3. Step 3: Cross multiply
    6,851.18x = 10,255.82 × 4,388.38
  4. Step 4: Simplify right side
    6,851.18x = 45,006,387.79
  5. Step 5: Solve for x
    x = 45,006,387.79/6,851.18
  6. Step 6: Final answer
    x = 6,569.14

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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.