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Finding the Fourth Proportional to 6,694.50, 9,238.65 and 4,041.39

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Solution

The fourth proportional to 6,694.50, 9,238.65 and 4,041.39 is: 5,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,694.50 : 9,238.65 = 4,041.39 : x
  2. Step 2: Convert to fraction form
    6,694.50/9,238.65 = 4,041.39/x
  3. Step 3: Cross multiply
    6,694.50x = 9,238.65 × 4,041.39
  4. Step 4: Simplify right side
    6,694.50x = 37,336,987.72
  5. Step 5: Solve for x
    x = 37,336,987.72/6,694.50
  6. Step 6: Final answer
    x = 5,577.26

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1.5x scale

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.