Home / 7,756.23-11,630.31-3,805.76

Finding the Fourth Proportional to 7,756.23, 11,630.31 and 3,805.76

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Solution

The fourth proportional to 7,756.23, 11,630.31 and 3,805.76 is: 5,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.23 : 11,630.31 = 3,805.76 : x
  2. Step 2: Convert to fraction form
    7,756.23/11,630.31 = 3,805.76/x
  3. Step 3: Cross multiply
    7,756.23x = 11,630.31 × 3,805.76
  4. Step 4: Simplify right side
    7,756.23x = 44,262,110.43
  5. Step 5: Solve for x
    x = 44,262,110.43/7,756.23
  6. Step 6: Final answer
    x = 5,706.66

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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.