Home / 7,723.38-11,585.08-3,106.38

Finding the Fourth Proportional to 7,723.38, 11,585.08 and 3,106.38

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Solution

The fourth proportional to 7,723.38, 11,585.08 and 3,106.38 is: 4,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.38 : 11,585.08 = 3,106.38 : x
  2. Step 2: Convert to fraction form
    7,723.38/11,585.08 = 3,106.38/x
  3. Step 3: Cross multiply
    7,723.38x = 11,585.08 × 3,106.38
  4. Step 4: Simplify right side
    7,723.38x = 35,987,660.81
  5. Step 5: Solve for x
    x = 35,987,660.81/7,723.38
  6. Step 6: Final answer
    x = 4,659.57

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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.