Home / 7,890.12-11,834.12-2,344.04

Finding the Fourth Proportional to 7,890.12, 11,834.12 and 2,344.04

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Solution

The fourth proportional to 7,890.12, 11,834.12 and 2,344.04 is: 3,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.12 : 11,834.12 = 2,344.04 : x
  2. Step 2: Convert to fraction form
    7,890.12/11,834.12 = 2,344.04/x
  3. Step 3: Cross multiply
    7,890.12x = 11,834.12 × 2,344.04
  4. Step 4: Simplify right side
    7,890.12x = 27,739,650.64
  5. Step 5: Solve for x
    x = 27,739,650.64/7,890.12
  6. Step 6: Final answer
    x = 3,515.75

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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.