Home / 6,971.78-10,448.16-3,847.13

Finding the Fourth Proportional to 6,971.78, 10,448.16 and 3,847.13

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Solution

The fourth proportional to 6,971.78, 10,448.16 and 3,847.13 is: 5,765.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.78 : 10,448.16 = 3,847.13 : x
  2. Step 2: Convert to fraction form
    6,971.78/10,448.16 = 3,847.13/x
  3. Step 3: Cross multiply
    6,971.78x = 10,448.16 × 3,847.13
  4. Step 4: Simplify right side
    6,971.78x = 40,195,377.54
  5. Step 5: Solve for x
    x = 40,195,377.54/6,971.78
  6. Step 6: Final answer
    x = 5,765.44

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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.