Home / 4,943.15-7,414.74-1,821.80

Finding the Fourth Proportional to 4,943.15, 7,414.74 and 1,821.80

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Solution

The fourth proportional to 4,943.15, 7,414.74 and 1,821.80 is: 2,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.15 : 7,414.74 = 1,821.80 : x
  2. Step 2: Convert to fraction form
    4,943.15/7,414.74 = 1,821.80/x
  3. Step 3: Cross multiply
    4,943.15x = 7,414.74 × 1,821.80
  4. Step 4: Simplify right side
    4,943.15x = 13,508,164.22
  5. Step 5: Solve for x
    x = 13,508,164.22/4,943.15
  6. Step 6: Final answer
    x = 2,732.70

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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.