Home / 7,882.43-11,822.94-2,616.89

Finding the Fourth Proportional to 7,882.43, 11,822.94 and 2,616.89

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Solution

The fourth proportional to 7,882.43, 11,822.94 and 2,616.89 is: 3,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.43 : 11,822.94 = 2,616.89 : x
  2. Step 2: Convert to fraction form
    7,882.43/11,822.94 = 2,616.89/x
  3. Step 3: Cross multiply
    7,882.43x = 11,822.94 × 2,616.89
  4. Step 4: Simplify right side
    7,882.43x = 30,939,274.34
  5. Step 5: Solve for x
    x = 30,939,274.34/7,882.43
  6. Step 6: Final answer
    x = 3,925.10

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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.