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Finding the Fourth Proportional to 6,445.71, 9,659.44 and 2,744.21

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Solution

The fourth proportional to 6,445.71, 9,659.44 and 2,744.21 is: 4,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.71 : 9,659.44 = 2,744.21 : x
  2. Step 2: Convert to fraction form
    6,445.71/9,659.44 = 2,744.21/x
  3. Step 3: Cross multiply
    6,445.71x = 9,659.44 × 2,744.21
  4. Step 4: Simplify right side
    6,445.71x = 26,507,531.84
  5. Step 5: Solve for x
    x = 26,507,531.84/6,445.71
  6. Step 6: Final answer
    x = 4,112.43

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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.