Home / 7,851.52-11,777.69-2,008.18

Finding the Fourth Proportional to 7,851.52, 11,777.69 and 2,008.18

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Solution

The fourth proportional to 7,851.52, 11,777.69 and 2,008.18 is: 3,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851.52 : 11,777.69 = 2,008.18 : x
  2. Step 2: Convert to fraction form
    7,851.52/11,777.69 = 2,008.18/x
  3. Step 3: Cross multiply
    7,851.52x = 11,777.69 × 2,008.18
  4. Step 4: Simplify right side
    7,851.52x = 23,651,721.50
  5. Step 5: Solve for x
    x = 23,651,721.50/7,851.52
  6. Step 6: Final answer
    x = 3,012.37

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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.