Home / 6,971.79-10,448.19-3,847.14

Finding the Fourth Proportional to 6,971.79, 10,448.19 and 3,847.14

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Solution

The fourth proportional to 6,971.79, 10,448.19 and 3,847.14 is: 5,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.79 : 10,448.19 = 3,847.14 : x
  2. Step 2: Convert to fraction form
    6,971.79/10,448.19 = 3,847.14/x
  3. Step 3: Cross multiply
    6,971.79x = 10,448.19 × 3,847.14
  4. Step 4: Simplify right side
    6,971.79x = 40,195,649.68
  5. Step 5: Solve for x
    x = 40,195,649.68/6,971.79
  6. Step 6: Final answer
    x = 5,765.47

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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.