Home / 10,776.05-16,164-2,770.79

Finding the Fourth Proportional to 10,776.05, 16,164 and 2,770.79

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Solution

The fourth proportional to 10,776.05, 16,164 and 2,770.79 is: 4,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.05 : 16,164 = 2,770.79 : x
  2. Step 2: Convert to fraction form
    10,776.05/16,164 = 2,770.79/x
  3. Step 3: Cross multiply
    10,776.05x = 16,164 × 2,770.79
  4. Step 4: Simplify right side
    10,776.05x = 44,786,968.74
  5. Step 5: Solve for x
    x = 44,786,968.74/10,776.05
  6. Step 6: Final answer
    x = 4,156.16

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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.