Home / 7,839.66-11,759.85-3,095.82

Finding the Fourth Proportional to 7,839.66, 11,759.85 and 3,095.82

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Solution

The fourth proportional to 7,839.66, 11,759.85 and 3,095.82 is: 4,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.66 : 11,759.85 = 3,095.82 : x
  2. Step 2: Convert to fraction form
    7,839.66/11,759.85 = 3,095.82/x
  3. Step 3: Cross multiply
    7,839.66x = 11,759.85 × 3,095.82
  4. Step 4: Simplify right side
    7,839.66x = 36,406,378.83
  5. Step 5: Solve for x
    x = 36,406,378.83/7,839.66
  6. Step 6: Final answer
    x = 4,643.87

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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.