Home / 7,770.75-11,657.97-2,576.63

Finding the Fourth Proportional to 7,770.75, 11,657.97 and 2,576.63

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Solution

The fourth proportional to 7,770.75, 11,657.97 and 2,576.63 is: 3,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770.75 : 11,657.97 = 2,576.63 : x
  2. Step 2: Convert to fraction form
    7,770.75/11,657.97 = 2,576.63/x
  3. Step 3: Cross multiply
    7,770.75x = 11,657.97 × 2,576.63
  4. Step 4: Simplify right side
    7,770.75x = 30,038,216.95
  5. Step 5: Solve for x
    x = 30,038,216.95/7,770.75
  6. Step 6: Final answer
    x = 3,865.55

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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.