Home / 4,959.54-7,438.64-1,261.44

Finding the Fourth Proportional to 4,959.54, 7,438.64 and 1,261.44

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Solution

The fourth proportional to 4,959.54, 7,438.64 and 1,261.44 is: 1,891.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.54 : 7,438.64 = 1,261.44 : x
  2. Step 2: Convert to fraction form
    4,959.54/7,438.64 = 1,261.44/x
  3. Step 3: Cross multiply
    4,959.54x = 7,438.64 × 1,261.44
  4. Step 4: Simplify right side
    4,959.54x = 9,383,398.04
  5. Step 5: Solve for x
    x = 9,383,398.04/4,959.54
  6. Step 6: Final answer
    x = 1,891.99

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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.