Home / 8,360.18-12,532.91-3,163.38

Finding the Fourth Proportional to 8,360.18, 12,532.91 and 3,163.38

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Solution

The fourth proportional to 8,360.18, 12,532.91 and 3,163.38 is: 4,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.18 : 12,532.91 = 3,163.38 : x
  2. Step 2: Convert to fraction form
    8,360.18/12,532.91 = 3,163.38/x
  3. Step 3: Cross multiply
    8,360.18x = 12,532.91 × 3,163.38
  4. Step 4: Simplify right side
    8,360.18x = 39,646,356.84
  5. Step 5: Solve for x
    x = 39,646,356.84/8,360.18
  6. Step 6: Final answer
    x = 4,742.29

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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.