Home / 6,678.11-10,016.64-2,728.31

Finding the Fourth Proportional to 6,678.11, 10,016.64 and 2,728.31

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Solution

The fourth proportional to 6,678.11, 10,016.64 and 2,728.31 is: 4,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.11 : 10,016.64 = 2,728.31 : x
  2. Step 2: Convert to fraction form
    6,678.11/10,016.64 = 2,728.31/x
  3. Step 3: Cross multiply
    6,678.11x = 10,016.64 × 2,728.31
  4. Step 4: Simplify right side
    6,678.11x = 27,328,509.82
  5. Step 5: Solve for x
    x = 27,328,509.82/6,678.11
  6. Step 6: Final answer
    x = 4,092.26

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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.