Home / 7,889.62-11,833.51-2,045.78

Finding the Fourth Proportional to 7,889.62, 11,833.51 and 2,045.78

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Solution

The fourth proportional to 7,889.62, 11,833.51 and 2,045.78 is: 3,068.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.62 : 11,833.51 = 2,045.78 : x
  2. Step 2: Convert to fraction form
    7,889.62/11,833.51 = 2,045.78/x
  3. Step 3: Cross multiply
    7,889.62x = 11,833.51 × 2,045.78
  4. Step 4: Simplify right side
    7,889.62x = 24,208,758.09
  5. Step 5: Solve for x
    x = 24,208,758.09/7,889.62
  6. Step 6: Final answer
    x = 3,068.43

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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.