Home / 8,163.36-12,238.59-3,484.14

Finding the Fourth Proportional to 8,163.36, 12,238.59 and 3,484.14

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Solution

The fourth proportional to 8,163.36, 12,238.59 and 3,484.14 is: 5,223.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.36 : 12,238.59 = 3,484.14 : x
  2. Step 2: Convert to fraction form
    8,163.36/12,238.59 = 3,484.14/x
  3. Step 3: Cross multiply
    8,163.36x = 12,238.59 × 3,484.14
  4. Step 4: Simplify right side
    8,163.36x = 42,640,960.96
  5. Step 5: Solve for x
    x = 42,640,960.96/8,163.36
  6. Step 6: Final answer
    x = 5,223.46

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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.