Home / 8,418.48-12,633.36-3,488.04

Finding the Fourth Proportional to 8,418.48, 12,633.36 and 3,488.04

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Solution

The fourth proportional to 8,418.48, 12,633.36 and 3,488.04 is: 5,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.48 : 12,633.36 = 3,488.04 : x
  2. Step 2: Convert to fraction form
    8,418.48/12,633.36 = 3,488.04/x
  3. Step 3: Cross multiply
    8,418.48x = 12,633.36 × 3,488.04
  4. Step 4: Simplify right side
    8,418.48x = 44,065,665.01
  5. Step 5: Solve for x
    x = 44,065,665.01/8,418.48
  6. Step 6: Final answer
    x = 5,234.40

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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.