Home / 4,965.06-6,851.78-2,869.18

Finding the Fourth Proportional to 4,965.06, 6,851.78 and 2,869.18

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Solution

The fourth proportional to 4,965.06, 6,851.78 and 2,869.18 is: 3,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,965.06 : 6,851.78 = 2,869.18 : x
  2. Step 2: Convert to fraction form
    4,965.06/6,851.78 = 2,869.18/x
  3. Step 3: Cross multiply
    4,965.06x = 6,851.78 × 2,869.18
  4. Step 4: Simplify right side
    4,965.06x = 19,658,990.14
  5. Step 5: Solve for x
    x = 19,658,990.14/4,965.06
  6. Step 6: Final answer
    x = 3,959.47

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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.