Home / 7,961.04-11,941.22-2,117.66

Finding the Fourth Proportional to 7,961.04, 11,941.22 and 2,117.66

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Solution

The fourth proportional to 7,961.04, 11,941.22 and 2,117.66 is: 3,176.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.04 : 11,941.22 = 2,117.66 : x
  2. Step 2: Convert to fraction form
    7,961.04/11,941.22 = 2,117.66/x
  3. Step 3: Cross multiply
    7,961.04x = 11,941.22 × 2,117.66
  4. Step 4: Simplify right side
    7,961.04x = 25,287,373.65
  5. Step 5: Solve for x
    x = 25,287,373.65/7,961.04
  6. Step 6: Final answer
    x = 3,176.39

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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.