Home / 6,851.64-10,278.54-2,170.56

Finding the Fourth Proportional to 6,851.64, 10,278.54 and 2,170.56

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Solution

The fourth proportional to 6,851.64, 10,278.54 and 2,170.56 is: 3,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.64 : 10,278.54 = 2,170.56 : x
  2. Step 2: Convert to fraction form
    6,851.64/10,278.54 = 2,170.56/x
  3. Step 3: Cross multiply
    6,851.64x = 10,278.54 × 2,170.56
  4. Step 4: Simplify right side
    6,851.64x = 22,310,187.78
  5. Step 5: Solve for x
    x = 22,310,187.78/6,851.64
  6. Step 6: Final answer
    x = 3,256.18

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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.