Home / 7,169.96-10,755.64-2,787.76

Finding the Fourth Proportional to 7,169.96, 10,755.64 and 2,787.76

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Solution

The fourth proportional to 7,169.96, 10,755.64 and 2,787.76 is: 4,181.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.96 : 10,755.64 = 2,787.76 : x
  2. Step 2: Convert to fraction form
    7,169.96/10,755.64 = 2,787.76/x
  3. Step 3: Cross multiply
    7,169.96x = 10,755.64 × 2,787.76
  4. Step 4: Simplify right side
    7,169.96x = 29,984,142.97
  5. Step 5: Solve for x
    x = 29,984,142.97/7,169.96
  6. Step 6: Final answer
    x = 4,181.91

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1.5x scale

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.