Home / 8,020.08-12,027.96-3,402

Finding the Fourth Proportional to 8,020.08, 12,027.96 and 3,402

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Solution

The fourth proportional to 8,020.08, 12,027.96 and 3,402 is: 5,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.08 : 12,027.96 = 3,402 : x
  2. Step 2: Convert to fraction form
    8,020.08/12,027.96 = 3,402/x
  3. Step 3: Cross multiply
    8,020.08x = 12,027.96 × 3,402
  4. Step 4: Simplify right side
    8,020.08x = 40,919,119.92
  5. Step 5: Solve for x
    x = 40,919,119.92/8,020.08
  6. Step 6: Final answer
    x = 5,102.08

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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.