Home / 8,222.42-11,333.12-6,232.34

Finding the Fourth Proportional to 8,222.42, 11,333.12 and 6,232.34

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Solution

The fourth proportional to 8,222.42, 11,333.12 and 6,232.34 is: 8,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.42 : 11,333.12 = 6,232.34 : x
  2. Step 2: Convert to fraction form
    8,222.42/11,333.12 = 6,232.34/x
  3. Step 3: Cross multiply
    8,222.42x = 11,333.12 × 6,232.34
  4. Step 4: Simplify right side
    8,222.42x = 70,631,857.10
  5. Step 5: Solve for x
    x = 70,631,857.10/8,222.42
  6. Step 6: Final answer
    x = 8,590.15

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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.