Home / 7,786.15-11,731.24-7,046.76

Finding the Fourth Proportional to 7,786.15, 11,731.24 and 7,046.76

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Solution

The fourth proportional to 7,786.15, 11,731.24 and 7,046.76 is: 10,617.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.15 : 11,731.24 = 7,046.76 : x
  2. Step 2: Convert to fraction form
    7,786.15/11,731.24 = 7,046.76/x
  3. Step 3: Cross multiply
    7,786.15x = 11,731.24 × 7,046.76
  4. Step 4: Simplify right side
    7,786.15x = 82,667,232.78
  5. Step 5: Solve for x
    x = 82,667,232.78/7,786.15
  6. Step 6: Final answer
    x = 10,617.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.