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Finding the Fourth Proportional to 6,659.94, 9,987.39 and 2,276.58

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Solution

The fourth proportional to 6,659.94, 9,987.39 and 2,276.58 is: 3,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.94 : 9,987.39 = 2,276.58 : x
  2. Step 2: Convert to fraction form
    6,659.94/9,987.39 = 2,276.58/x
  3. Step 3: Cross multiply
    6,659.94x = 9,987.39 × 2,276.58
  4. Step 4: Simplify right side
    6,659.94x = 22,737,092.33
  5. Step 5: Solve for x
    x = 22,737,092.33/6,659.94
  6. Step 6: Final answer
    x = 3,414.01

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1.5x scale

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.