Home / 4,377.36-6,553.04-2,640.72

Finding the Fourth Proportional to 4,377.36, 6,553.04 and 2,640.72

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Solution

The fourth proportional to 4,377.36, 6,553.04 and 2,640.72 is: 3,953.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.36 : 6,553.04 = 2,640.72 : x
  2. Step 2: Convert to fraction form
    4,377.36/6,553.04 = 2,640.72/x
  3. Step 3: Cross multiply
    4,377.36x = 6,553.04 × 2,640.72
  4. Step 4: Simplify right side
    4,377.36x = 17,304,743.79
  5. Step 5: Solve for x
    x = 17,304,743.79/4,377.36
  6. Step 6: Final answer
    x = 3,953.24

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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.