Home / 7,841.61-11,759.94-2,646.27

Finding the Fourth Proportional to 7,841.61, 11,759.94 and 2,646.27

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Solution

The fourth proportional to 7,841.61, 11,759.94 and 2,646.27 is: 3,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.61 : 11,759.94 = 2,646.27 : x
  2. Step 2: Convert to fraction form
    7,841.61/11,759.94 = 2,646.27/x
  3. Step 3: Cross multiply
    7,841.61x = 11,759.94 × 2,646.27
  4. Step 4: Simplify right side
    7,841.61x = 31,119,976.42
  5. Step 5: Solve for x
    x = 31,119,976.42/7,841.61
  6. Step 6: Final answer
    x = 3,968.57

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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.