Home / 6,778.28-9,351.06-3,982.52

Finding the Fourth Proportional to 6,778.28, 9,351.06 and 3,982.52

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Solution

The fourth proportional to 6,778.28, 9,351.06 and 3,982.52 is: 5,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.28 : 9,351.06 = 3,982.52 : x
  2. Step 2: Convert to fraction form
    6,778.28/9,351.06 = 3,982.52/x
  3. Step 3: Cross multiply
    6,778.28x = 9,351.06 × 3,982.52
  4. Step 4: Simplify right side
    6,778.28x = 37,240,783.47
  5. Step 5: Solve for x
    x = 37,240,783.47/6,778.28
  6. Step 6: Final answer
    x = 5,494.13

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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.