Home / 6,851.54-9,455.48-4,162.80

Finding the Fourth Proportional to 6,851.54, 9,455.48 and 4,162.80

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Solution

The fourth proportional to 6,851.54, 9,455.48 and 4,162.80 is: 5,744.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.54 : 9,455.48 = 4,162.80 : x
  2. Step 2: Convert to fraction form
    6,851.54/9,455.48 = 4,162.80/x
  3. Step 3: Cross multiply
    6,851.54x = 9,455.48 × 4,162.80
  4. Step 4: Simplify right side
    6,851.54x = 39,361,272.14
  5. Step 5: Solve for x
    x = 39,361,272.14/6,851.54
  6. Step 6: Final answer
    x = 5,744.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.