Home / 4,959.80-6,844.60-2,721.64

Finding the Fourth Proportional to 4,959.80, 6,844.60 and 2,721.64

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Solution

The fourth proportional to 4,959.80, 6,844.60 and 2,721.64 is: 3,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.80 : 6,844.60 = 2,721.64 : x
  2. Step 2: Convert to fraction form
    4,959.80/6,844.60 = 2,721.64/x
  3. Step 3: Cross multiply
    4,959.80x = 6,844.60 × 2,721.64
  4. Step 4: Simplify right side
    4,959.80x = 18,628,537.14
  5. Step 5: Solve for x
    x = 18,628,537.14/4,959.80
  6. Step 6: Final answer
    x = 3,755.90

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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.