Home / 7,868.55-11,806.93-3,192.02

Finding the Fourth Proportional to 7,868.55, 11,806.93 and 3,192.02

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Solution

The fourth proportional to 7,868.55, 11,806.93 and 3,192.02 is: 4,789.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,868.55 : 11,806.93 = 3,192.02 : x
  2. Step 2: Convert to fraction form
    7,868.55/11,806.93 = 3,192.02/x
  3. Step 3: Cross multiply
    7,868.55x = 11,806.93 × 3,192.02
  4. Step 4: Simplify right side
    7,868.55x = 37,687,897.66
  5. Step 5: Solve for x
    x = 37,687,897.66/7,868.55
  6. Step 6: Final answer
    x = 4,789.69

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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.