Home / 4,959.40-7,443.30-2,039.80

Finding the Fourth Proportional to 4,959.40, 7,443.30 and 2,039.80

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Solution

The fourth proportional to 4,959.40, 7,443.30 and 2,039.80 is: 3,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.40 : 7,443.30 = 2,039.80 : x
  2. Step 2: Convert to fraction form
    4,959.40/7,443.30 = 2,039.80/x
  3. Step 3: Cross multiply
    4,959.40x = 7,443.30 × 2,039.80
  4. Step 4: Simplify right side
    4,959.40x = 15,182,843.34
  5. Step 5: Solve for x
    x = 15,182,843.34/4,959.40
  6. Step 6: Final answer
    x = 3,061.43

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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.