Home / 6,640.64-9,164.60-3,657.04

Finding the Fourth Proportional to 6,640.64, 9,164.60 and 3,657.04

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Solution

The fourth proportional to 6,640.64, 9,164.60 and 3,657.04 is: 5,047.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640.64 : 9,164.60 = 3,657.04 : x
  2. Step 2: Convert to fraction form
    6,640.64/9,164.60 = 3,657.04/x
  3. Step 3: Cross multiply
    6,640.64x = 9,164.60 × 3,657.04
  4. Step 4: Simplify right side
    6,640.64x = 33,515,308.78
  5. Step 5: Solve for x
    x = 33,515,308.78/6,640.64
  6. Step 6: Final answer
    x = 5,047.00

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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.