Home / 4,965.08-6,851.96-2,869.20

Finding the Fourth Proportional to 4,965.08, 6,851.96 and 2,869.20

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Solution

The fourth proportional to 4,965.08, 6,851.96 and 2,869.20 is: 3,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.08 : 6,851.96 = 2,869.20 : x
  2. Step 2: Convert to fraction form
    4,965.08/6,851.96 = 2,869.20/x
  3. Step 3: Cross multiply
    4,965.08x = 6,851.96 × 2,869.20
  4. Step 4: Simplify right side
    4,965.08x = 19,659,629.29
  5. Step 5: Solve for x
    x = 19,659,629.29/4,965.08
  6. Step 6: Final answer
    x = 3,959.58

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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.