Home / 4,872.49-7,296.28-2,678.81

Finding the Fourth Proportional to 4,872.49, 7,296.28 and 2,678.81

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Solution

The fourth proportional to 4,872.49, 7,296.28 and 2,678.81 is: 4,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.49 : 7,296.28 = 2,678.81 : x
  2. Step 2: Convert to fraction form
    4,872.49/7,296.28 = 2,678.81/x
  3. Step 3: Cross multiply
    4,872.49x = 7,296.28 × 2,678.81
  4. Step 4: Simplify right side
    4,872.49x = 19,545,304.65
  5. Step 5: Solve for x
    x = 19,545,304.65/4,872.49
  6. Step 6: Final answer
    x = 4,011.36

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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.