Home / 8,996.56-12,416.75-5,222.86

Finding the Fourth Proportional to 8,996.56, 12,416.75 and 5,222.86

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Solution

The fourth proportional to 8,996.56, 12,416.75 and 5,222.86 is: 7,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.56 : 12,416.75 = 5,222.86 : x
  2. Step 2: Convert to fraction form
    8,996.56/12,416.75 = 5,222.86/x
  3. Step 3: Cross multiply
    8,996.56x = 12,416.75 × 5,222.86
  4. Step 4: Simplify right side
    8,996.56x = 64,850,909.33
  5. Step 5: Solve for x
    x = 64,850,909.33/8,996.56
  6. Step 6: Final answer
    x = 7,208.41

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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.