Home / 4,959.13-7,438.66-1,261.31

Finding the Fourth Proportional to 4,959.13, 7,438.66 and 1,261.31

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Solution

The fourth proportional to 4,959.13, 7,438.66 and 1,261.31 is: 1,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.13 : 7,438.66 = 1,261.31 : x
  2. Step 2: Convert to fraction form
    4,959.13/7,438.66 = 1,261.31/x
  3. Step 3: Cross multiply
    4,959.13x = 7,438.66 × 1,261.31
  4. Step 4: Simplify right side
    4,959.13x = 9,382,478.78
  5. Step 5: Solve for x
    x = 9,382,478.78/4,959.13
  6. Step 6: Final answer
    x = 1,891.96

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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.