Home / 8,399.16-12,589.48-3,467.48

Finding the Fourth Proportional to 8,399.16, 12,589.48 and 3,467.48

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Solution

The fourth proportional to 8,399.16, 12,589.48 and 3,467.48 is: 5,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.16 : 12,589.48 = 3,467.48 : x
  2. Step 2: Convert to fraction form
    8,399.16/12,589.48 = 3,467.48/x
  3. Step 3: Cross multiply
    8,399.16x = 12,589.48 × 3,467.48
  4. Step 4: Simplify right side
    8,399.16x = 43,653,770.11
  5. Step 5: Solve for x
    x = 43,653,770.11/8,399.16
  6. Step 6: Final answer
    x = 5,197.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.