Home / 8,395.13-12,581.36-3,198.17

Finding the Fourth Proportional to 8,395.13, 12,581.36 and 3,198.17

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Solution

The fourth proportional to 8,395.13, 12,581.36 and 3,198.17 is: 4,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.13 : 12,581.36 = 3,198.17 : x
  2. Step 2: Convert to fraction form
    8,395.13/12,581.36 = 3,198.17/x
  3. Step 3: Cross multiply
    8,395.13x = 12,581.36 × 3,198.17
  4. Step 4: Simplify right side
    8,395.13x = 40,237,328.11
  5. Step 5: Solve for x
    x = 40,237,328.11/8,395.13
  6. Step 6: Final answer
    x = 4,792.94

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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.