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Finding the Fourth Proportional to 6,659.94, 9,194.40 and 4,008

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Solution

The fourth proportional to 6,659.94, 9,194.40 and 4,008 is: 5,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.94 : 9,194.40 = 4,008 : x
  2. Step 2: Convert to fraction form
    6,659.94/9,194.40 = 4,008/x
  3. Step 3: Cross multiply
    6,659.94x = 9,194.40 × 4,008
  4. Step 4: Simplify right side
    6,659.94x = 36,851,155.20
  5. Step 5: Solve for x
    x = 36,851,155.20/6,659.94
  6. Step 6: Final answer
    x = 5,533.26

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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.