Home / 8,431.16-12,640.48-4,044.44

Finding the Fourth Proportional to 8,431.16, 12,640.48 and 4,044.44

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Solution

The fourth proportional to 8,431.16, 12,640.48 and 4,044.44 is: 6,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.16 : 12,640.48 = 4,044.44 : x
  2. Step 2: Convert to fraction form
    8,431.16/12,640.48 = 4,044.44/x
  3. Step 3: Cross multiply
    8,431.16x = 12,640.48 × 4,044.44
  4. Step 4: Simplify right side
    8,431.16x = 51,123,662.93
  5. Step 5: Solve for x
    x = 51,123,662.93/8,431.16
  6. Step 6: Final answer
    x = 6,063.66

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1.5x scale

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.