Home / 6,851.42-10,278.65-2,171.69

Finding the Fourth Proportional to 6,851.42, 10,278.65 and 2,171.69

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Solution

The fourth proportional to 6,851.42, 10,278.65 and 2,171.69 is: 3,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.42 : 10,278.65 = 2,171.69 : x
  2. Step 2: Convert to fraction form
    6,851.42/10,278.65 = 2,171.69/x
  3. Step 3: Cross multiply
    6,851.42x = 10,278.65 × 2,171.69
  4. Step 4: Simplify right side
    6,851.42x = 22,321,995.45
  5. Step 5: Solve for x
    x = 22,321,995.45/6,851.42
  6. Step 6: Final answer
    x = 3,258.01

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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.