Home / 8,118.42-11,198.04-5,600.64

Finding the Fourth Proportional to 8,118.42, 11,198.04 and 5,600.64

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Solution

The fourth proportional to 8,118.42, 11,198.04 and 5,600.64 is: 7,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.42 : 11,198.04 = 5,600.64 : x
  2. Step 2: Convert to fraction form
    8,118.42/11,198.04 = 5,600.64/x
  3. Step 3: Cross multiply
    8,118.42x = 11,198.04 × 5,600.64
  4. Step 4: Simplify right side
    8,118.42x = 62,716,190.75
  5. Step 5: Solve for x
    x = 62,716,190.75/8,118.42
  6. Step 6: Final answer
    x = 7,725.17

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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.