Home / 7,170.77-10,760.22-2,787.63

Finding the Fourth Proportional to 7,170.77, 10,760.22 and 2,787.63

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Solution

The fourth proportional to 7,170.77, 10,760.22 and 2,787.63 is: 4,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.77 : 10,760.22 = 2,787.63 : x
  2. Step 2: Convert to fraction form
    7,170.77/10,760.22 = 2,787.63/x
  3. Step 3: Cross multiply
    7,170.77x = 10,760.22 × 2,787.63
  4. Step 4: Simplify right side
    7,170.77x = 29,995,512.08
  5. Step 5: Solve for x
    x = 29,995,512.08/7,170.77
  6. Step 6: Final answer
    x = 4,183.03

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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.