Home / 7,165.14-10,745.82-2,785.74

Finding the Fourth Proportional to 7,165.14, 10,745.82 and 2,785.74

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Solution

The fourth proportional to 7,165.14, 10,745.82 and 2,785.74 is: 4,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.14 : 10,745.82 = 2,785.74 : x
  2. Step 2: Convert to fraction form
    7,165.14/10,745.82 = 2,785.74/x
  3. Step 3: Cross multiply
    7,165.14x = 10,745.82 × 2,785.74
  4. Step 4: Simplify right side
    7,165.14x = 29,935,060.61
  5. Step 5: Solve for x
    x = 29,935,060.61/7,165.14
  6. Step 6: Final answer
    x = 4,177.88

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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.