Home / 8,272.62-11,416.34-4,495.78

Finding the Fourth Proportional to 8,272.62, 11,416.34 and 4,495.78

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Solution

The fourth proportional to 8,272.62, 11,416.34 and 4,495.78 is: 6,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.62 : 11,416.34 = 4,495.78 : x
  2. Step 2: Convert to fraction form
    8,272.62/11,416.34 = 4,495.78/x
  3. Step 3: Cross multiply
    8,272.62x = 11,416.34 × 4,495.78
  4. Step 4: Simplify right side
    8,272.62x = 51,325,353.05
  5. Step 5: Solve for x
    x = 51,325,353.05/8,272.62
  6. Step 6: Final answer
    x = 6,204.24

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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.