Home / 4,838.74-6,679.92-2,851.30

Finding the Fourth Proportional to 4,838.74, 6,679.92 and 2,851.30

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Solution

The fourth proportional to 4,838.74, 6,679.92 and 2,851.30 is: 3,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.74 : 6,679.92 = 2,851.30 : x
  2. Step 2: Convert to fraction form
    4,838.74/6,679.92 = 2,851.30/x
  3. Step 3: Cross multiply
    4,838.74x = 6,679.92 × 2,851.30
  4. Step 4: Simplify right side
    4,838.74x = 19,046,458.90
  5. Step 5: Solve for x
    x = 19,046,458.90/4,838.74
  6. Step 6: Final answer
    x = 3,936.25

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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.