Home / 5,245.92-7,238.60-2,976.91

Finding the Fourth Proportional to 5,245.92, 7,238.60 and 2,976.91

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Solution

The fourth proportional to 5,245.92, 7,238.60 and 2,976.91 is: 4,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.92 : 7,238.60 = 2,976.91 : x
  2. Step 2: Convert to fraction form
    5,245.92/7,238.60 = 2,976.91/x
  3. Step 3: Cross multiply
    5,245.92x = 7,238.60 × 2,976.91
  4. Step 4: Simplify right side
    5,245.92x = 21,548,624.53
  5. Step 5: Solve for x
    x = 21,548,624.53/5,245.92
  6. Step 6: Final answer
    x = 4,107.69

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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.