Home / 6,851.70-10,272.96-3,148.92

Finding the Fourth Proportional to 6,851.70, 10,272.96 and 3,148.92

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Solution

The fourth proportional to 6,851.70, 10,272.96 and 3,148.92 is: 4,721.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.70 : 10,272.96 = 3,148.92 : x
  2. Step 2: Convert to fraction form
    6,851.70/10,272.96 = 3,148.92/x
  3. Step 3: Cross multiply
    6,851.70x = 10,272.96 × 3,148.92
  4. Step 4: Simplify right side
    6,851.70x = 32,348,729.20
  5. Step 5: Solve for x
    x = 32,348,729.20/6,851.70
  6. Step 6: Final answer
    x = 4,721.27

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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.