Home / 7,834.98-11,747.46-3,390.24

Finding the Fourth Proportional to 7,834.98, 11,747.46 and 3,390.24

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Solution

The fourth proportional to 7,834.98, 11,747.46 and 3,390.24 is: 5,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.98 : 11,747.46 = 3,390.24 : x
  2. Step 2: Convert to fraction form
    7,834.98/11,747.46 = 3,390.24/x
  3. Step 3: Cross multiply
    7,834.98x = 11,747.46 × 3,390.24
  4. Step 4: Simplify right side
    7,834.98x = 39,826,708.79
  5. Step 5: Solve for x
    x = 39,826,708.79/7,834.98
  6. Step 6: Final answer
    x = 5,083.19

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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.