Home / 8,199.38-11,315.28-4,473.38

Finding the Fourth Proportional to 8,199.38, 11,315.28 and 4,473.38

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Solution

The fourth proportional to 8,199.38, 11,315.28 and 4,473.38 is: 6,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.38 : 11,315.28 = 4,473.38 : x
  2. Step 2: Convert to fraction form
    8,199.38/11,315.28 = 4,473.38/x
  3. Step 3: Cross multiply
    8,199.38x = 11,315.28 × 4,473.38
  4. Step 4: Simplify right side
    8,199.38x = 50,617,524.88
  5. Step 5: Solve for x
    x = 50,617,524.88/8,199.38
  6. Step 6: Final answer
    x = 6,173.34

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Half scale
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Double scale
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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.