Home / 6,721.36-9,273.02-4,067.80

Finding the Fourth Proportional to 6,721.36, 9,273.02 and 4,067.80

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Solution

The fourth proportional to 6,721.36, 9,273.02 and 4,067.80 is: 5,612.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.36 : 9,273.02 = 4,067.80 : x
  2. Step 2: Convert to fraction form
    6,721.36/9,273.02 = 4,067.80/x
  3. Step 3: Cross multiply
    6,721.36x = 9,273.02 × 4,067.80
  4. Step 4: Simplify right side
    6,721.36x = 37,720,790.76
  5. Step 5: Solve for x
    x = 37,720,790.76/6,721.36
  6. Step 6: Final answer
    x = 5,612.08

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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.