Home / 6,719.80-10,067.55-5,747.80

Finding the Fourth Proportional to 6,719.80, 10,067.55 and 5,747.80

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Solution

The fourth proportional to 6,719.80, 10,067.55 and 5,747.80 is: 8,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.80 : 10,067.55 = 5,747.80 : x
  2. Step 2: Convert to fraction form
    6,719.80/10,067.55 = 5,747.80/x
  3. Step 3: Cross multiply
    6,719.80x = 10,067.55 × 5,747.80
  4. Step 4: Simplify right side
    6,719.80x = 57,866,263.89
  5. Step 5: Solve for x
    x = 57,866,263.89/6,719.80
  6. Step 6: Final answer
    x = 8,611.31

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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.