Home / 8,633.36-12,940.32-3,433.16

Finding the Fourth Proportional to 8,633.36, 12,940.32 and 3,433.16

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Solution

The fourth proportional to 8,633.36, 12,940.32 and 3,433.16 is: 5,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.36 : 12,940.32 = 3,433.16 : x
  2. Step 2: Convert to fraction form
    8,633.36/12,940.32 = 3,433.16/x
  3. Step 3: Cross multiply
    8,633.36x = 12,940.32 × 3,433.16
  4. Step 4: Simplify right side
    8,633.36x = 44,426,189.01
  5. Step 5: Solve for x
    x = 44,426,189.01/8,633.36
  6. Step 6: Final answer
    x = 5,145.87

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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.