Home / 8,288.10-12,426.48-3,906

Finding the Fourth Proportional to 8,288.10, 12,426.48 and 3,906

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Solution

The fourth proportional to 8,288.10, 12,426.48 and 3,906 is: 5,856.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.10 : 12,426.48 = 3,906 : x
  2. Step 2: Convert to fraction form
    8,288.10/12,426.48 = 3,906/x
  3. Step 3: Cross multiply
    8,288.10x = 12,426.48 × 3,906
  4. Step 4: Simplify right side
    8,288.10x = 48,537,830.88
  5. Step 5: Solve for x
    x = 48,537,830.88/8,288.10
  6. Step 6: Final answer
    x = 5,856.33

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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.