Home / 8,433.54-12,649.92-2,887.38

Finding the Fourth Proportional to 8,433.54, 12,649.92 and 2,887.38

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Solution

The fourth proportional to 8,433.54, 12,649.92 and 2,887.38 is: 4,330.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.54 : 12,649.92 = 2,887.38 : x
  2. Step 2: Convert to fraction form
    8,433.54/12,649.92 = 2,887.38/x
  3. Step 3: Cross multiply
    8,433.54x = 12,649.92 × 2,887.38
  4. Step 4: Simplify right side
    8,433.54x = 36,525,126.01
  5. Step 5: Solve for x
    x = 36,525,126.01/8,433.54
  6. Step 6: Final answer
    x = 4,330.94

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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.