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Finding the Fourth Proportional to 6,642.06, 9,963.90 and 2,258.34

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Solution

The fourth proportional to 6,642.06, 9,963.90 and 2,258.34 is: 3,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.06 : 9,963.90 = 2,258.34 : x
  2. Step 2: Convert to fraction form
    6,642.06/9,963.90 = 2,258.34/x
  3. Step 3: Cross multiply
    6,642.06x = 9,963.90 × 2,258.34
  4. Step 4: Simplify right side
    6,642.06x = 22,501,873.93
  5. Step 5: Solve for x
    x = 22,501,873.93/6,642.06
  6. Step 6: Final answer
    x = 3,387.79

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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.