Home / 6,851.09-10,275.77-2,171.59

Finding the Fourth Proportional to 6,851.09, 10,275.77 and 2,171.59

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Solution

The fourth proportional to 6,851.09, 10,275.77 and 2,171.59 is: 3,257.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.09 : 10,275.77 = 2,171.59 : x
  2. Step 2: Convert to fraction form
    6,851.09/10,275.77 = 2,171.59/x
  3. Step 3: Cross multiply
    6,851.09x = 10,275.77 × 2,171.59
  4. Step 4: Simplify right side
    6,851.09x = 22,314,739.11
  5. Step 5: Solve for x
    x = 22,314,739.11/6,851.09
  6. Step 6: Final answer
    x = 3,257.11

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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.