Home / 7,785.25-10,755.35-5,102.83

Finding the Fourth Proportional to 7,785.25, 10,755.35 and 5,102.83

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Solution

The fourth proportional to 7,785.25, 10,755.35 and 5,102.83 is: 7,049.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,785.25 : 10,755.35 = 5,102.83 : x
  2. Step 2: Convert to fraction form
    7,785.25/10,755.35 = 5,102.83/x
  3. Step 3: Cross multiply
    7,785.25x = 10,755.35 × 5,102.83
  4. Step 4: Simplify right side
    7,785.25x = 54,882,722.64
  5. Step 5: Solve for x
    x = 54,882,722.64/7,785.25
  6. Step 6: Final answer
    x = 7,049.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.