Home / 4,939.17-7,406.52-1,818.65

Finding the Fourth Proportional to 4,939.17, 7,406.52 and 1,818.65

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Solution

The fourth proportional to 4,939.17, 7,406.52 and 1,818.65 is: 2,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.17 : 7,406.52 = 1,818.65 : x
  2. Step 2: Convert to fraction form
    4,939.17/7,406.52 = 1,818.65/x
  3. Step 3: Cross multiply
    4,939.17x = 7,406.52 × 1,818.65
  4. Step 4: Simplify right side
    4,939.17x = 13,469,830.57
  5. Step 5: Solve for x
    x = 13,469,830.57/4,939.17
  6. Step 6: Final answer
    x = 2,727.14

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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.