Home / 8,218.94-11,338.95-5,234.24

Finding the Fourth Proportional to 8,218.94, 11,338.95 and 5,234.24

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Solution

The fourth proportional to 8,218.94, 11,338.95 and 5,234.24 is: 7,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.94 : 11,338.95 = 5,234.24 : x
  2. Step 2: Convert to fraction form
    8,218.94/11,338.95 = 5,234.24/x
  3. Step 3: Cross multiply
    8,218.94x = 11,338.95 × 5,234.24
  4. Step 4: Simplify right side
    8,218.94x = 59,350,785.65
  5. Step 5: Solve for x
    x = 59,350,785.65/8,218.94
  6. Step 6: Final answer
    x = 7,221.22

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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.