Home / 8,418.23-12,615.91-4,468.49

Finding the Fourth Proportional to 8,418.23, 12,615.91 and 4,468.49

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Solution

The fourth proportional to 8,418.23, 12,615.91 and 4,468.49 is: 6,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.23 : 12,615.91 = 4,468.49 : x
  2. Step 2: Convert to fraction form
    8,418.23/12,615.91 = 4,468.49/x
  3. Step 3: Cross multiply
    8,418.23x = 12,615.91 × 4,468.49
  4. Step 4: Simplify right side
    8,418.23x = 56,373,993.43
  5. Step 5: Solve for x
    x = 56,373,993.43/8,418.23
  6. Step 6: Final answer
    x = 6,696.66

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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.