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Finding the Fourth Proportional to 7,773.34, 11,660.01 and 1,929.95

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Solution

The fourth proportional to 7,773.34, 11,660.01 and 1,929.95 is: 2,894.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.34 : 11,660.01 = 1,929.95 : x
  2. Step 2: Convert to fraction form
    7,773.34/11,660.01 = 1,929.95/x
  3. Step 3: Cross multiply
    7,773.34x = 11,660.01 × 1,929.95
  4. Step 4: Simplify right side
    7,773.34x = 22,503,213.78
  5. Step 5: Solve for x
    x = 22,503,213.78/7,773.34
  6. Step 6: Final answer
    x = 2,894.92

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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.