Home / 7,872.26-11,808.50-2,325.69

Finding the Fourth Proportional to 7,872.26, 11,808.50 and 2,325.69

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Solution

The fourth proportional to 7,872.26, 11,808.50 and 2,325.69 is: 3,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.26 : 11,808.50 = 2,325.69 : x
  2. Step 2: Convert to fraction form
    7,872.26/11,808.50 = 2,325.69/x
  3. Step 3: Cross multiply
    7,872.26x = 11,808.50 × 2,325.69
  4. Step 4: Simplify right side
    7,872.26x = 27,462,898.74
  5. Step 5: Solve for x
    x = 27,462,898.74/7,872.26
  6. Step 6: Final answer
    x = 3,488.56

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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.