Home / 6,411.65-9,617.55-2,251.78

Finding the Fourth Proportional to 6,411.65, 9,617.55 and 2,251.78

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Solution

The fourth proportional to 6,411.65, 9,617.55 and 2,251.78 is: 3,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.65 : 9,617.55 = 2,251.78 : x
  2. Step 2: Convert to fraction form
    6,411.65/9,617.55 = 2,251.78/x
  3. Step 3: Cross multiply
    6,411.65x = 9,617.55 × 2,251.78
  4. Step 4: Simplify right side
    6,411.65x = 21,656,606.74
  5. Step 5: Solve for x
    x = 21,656,606.74/6,411.65
  6. Step 6: Final answer
    x = 3,377.70

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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.