Home / 7,790.68-11,683.92-2,242.56

Finding the Fourth Proportional to 7,790.68, 11,683.92 and 2,242.56

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Solution

The fourth proportional to 7,790.68, 11,683.92 and 2,242.56 is: 3,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.68 : 11,683.92 = 2,242.56 : x
  2. Step 2: Convert to fraction form
    7,790.68/11,683.92 = 2,242.56/x
  3. Step 3: Cross multiply
    7,790.68x = 11,683.92 × 2,242.56
  4. Step 4: Simplify right side
    7,790.68x = 26,201,891.64
  5. Step 5: Solve for x
    x = 26,201,891.64/7,790.68
  6. Step 6: Final answer
    x = 3,363.24

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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.