Home / 6,570.86-9,067.77-3,919.79

Finding the Fourth Proportional to 6,570.86, 9,067.77 and 3,919.79

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Solution

The fourth proportional to 6,570.86, 9,067.77 and 3,919.79 is: 5,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.86 : 9,067.77 = 3,919.79 : x
  2. Step 2: Convert to fraction form
    6,570.86/9,067.77 = 3,919.79/x
  3. Step 3: Cross multiply
    6,570.86x = 9,067.77 × 3,919.79
  4. Step 4: Simplify right side
    6,570.86x = 35,543,776.84
  5. Step 5: Solve for x
    x = 35,543,776.84/6,570.86
  6. Step 6: Final answer
    x = 5,409.31

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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.