Home / 7,927.68-11,891.63-3,768.11

Finding the Fourth Proportional to 7,927.68, 11,891.63 and 3,768.11

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Solution

The fourth proportional to 7,927.68, 11,891.63 and 3,768.11 is: 5,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.68 : 11,891.63 = 3,768.11 : x
  2. Step 2: Convert to fraction form
    7,927.68/11,891.63 = 3,768.11/x
  3. Step 3: Cross multiply
    7,927.68x = 11,891.63 × 3,768.11
  4. Step 4: Simplify right side
    7,927.68x = 44,808,891.62
  5. Step 5: Solve for x
    x = 44,808,891.62/7,927.68
  6. Step 6: Final answer
    x = 5,652.21

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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.