Home / 8,018.24-12,027.36-3,398

Finding the Fourth Proportional to 8,018.24, 12,027.36 and 3,398

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Solution

The fourth proportional to 8,018.24, 12,027.36 and 3,398 is: 5,097

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,018.24 : 12,027.36 = 3,398 : x
  2. Step 2: Convert to fraction form
    8,018.24/12,027.36 = 3,398/x
  3. Step 3: Cross multiply
    8,018.24x = 12,027.36 × 3,398
  4. Step 4: Simplify right side
    8,018.24x = 40,868,969.28
  5. Step 5: Solve for x
    x = 40,868,969.28/8,018.24
  6. Step 6: Final answer
    x = 5,097

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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.