Home / 7,790.36-11,685.06-3,173.24

Finding the Fourth Proportional to 7,790.36, 11,685.06 and 3,173.24

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Solution

The fourth proportional to 7,790.36, 11,685.06 and 3,173.24 is: 4,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.36 : 11,685.06 = 3,173.24 : x
  2. Step 2: Convert to fraction form
    7,790.36/11,685.06 = 3,173.24/x
  3. Step 3: Cross multiply
    7,790.36x = 11,685.06 × 3,173.24
  4. Step 4: Simplify right side
    7,790.36x = 37,079,499.79
  5. Step 5: Solve for x
    x = 37,079,499.79/7,790.36
  6. Step 6: Final answer
    x = 4,759.66

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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.