Home / 7,780.41-11,672.34-2,849.94

Finding the Fourth Proportional to 7,780.41, 11,672.34 and 2,849.94

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Solution

The fourth proportional to 7,780.41, 11,672.34 and 2,849.94 is: 4,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.41 : 11,672.34 = 2,849.94 : x
  2. Step 2: Convert to fraction form
    7,780.41/11,672.34 = 2,849.94/x
  3. Step 3: Cross multiply
    7,780.41x = 11,672.34 × 2,849.94
  4. Step 4: Simplify right side
    7,780.41x = 33,265,468.66
  5. Step 5: Solve for x
    x = 33,265,468.66/7,780.41
  6. Step 6: Final answer
    x = 4,275.54

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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.