Home / 8,286.18-11,435.22-4,748.64

Finding the Fourth Proportional to 8,286.18, 11,435.22 and 4,748.64

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Solution

The fourth proportional to 8,286.18, 11,435.22 and 4,748.64 is: 6,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.18 : 11,435.22 = 4,748.64 : x
  2. Step 2: Convert to fraction form
    8,286.18/11,435.22 = 4,748.64/x
  3. Step 3: Cross multiply
    8,286.18x = 11,435.22 × 4,748.64
  4. Step 4: Simplify right side
    8,286.18x = 54,301,743.10
  5. Step 5: Solve for x
    x = 54,301,743.10/8,286.18
  6. Step 6: Final answer
    x = 6,553.29

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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.