Home / 6,640.64-9,163.98-3,808.52

Finding the Fourth Proportional to 6,640.64, 9,163.98 and 3,808.52

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Solution

The fourth proportional to 6,640.64, 9,163.98 and 3,808.52 is: 5,255.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.64 : 9,163.98 = 3,808.52 : x
  2. Step 2: Convert to fraction form
    6,640.64/9,163.98 = 3,808.52/x
  3. Step 3: Cross multiply
    6,640.64x = 9,163.98 × 3,808.52
  4. Step 4: Simplify right side
    6,640.64x = 34,901,201.11
  5. Step 5: Solve for x
    x = 34,901,201.11/6,640.64
  6. Step 6: Final answer
    x = 5,255.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.