Home / 6,723.14-9,278.79-4,070.66

Finding the Fourth Proportional to 6,723.14, 9,278.79 and 4,070.66

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Solution

The fourth proportional to 6,723.14, 9,278.79 and 4,070.66 is: 5,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,723.14 : 9,278.79 = 4,070.66 : x
  2. Step 2: Convert to fraction form
    6,723.14/9,278.79 = 4,070.66/x
  3. Step 3: Cross multiply
    6,723.14x = 9,278.79 × 4,070.66
  4. Step 4: Simplify right side
    6,723.14x = 37,770,799.30
  5. Step 5: Solve for x
    x = 37,770,799.30/6,723.14
  6. Step 6: Final answer
    x = 5,618.03

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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.