Home / 7,790.85-11,684.12-2,242.69

Finding the Fourth Proportional to 7,790.85, 11,684.12 and 2,242.69

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Solution

The fourth proportional to 7,790.85, 11,684.12 and 2,242.69 is: 3,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.85 : 11,684.12 = 2,242.69 : x
  2. Step 2: Convert to fraction form
    7,790.85/11,684.12 = 2,242.69/x
  3. Step 3: Cross multiply
    7,790.85x = 11,684.12 × 2,242.69
  4. Step 4: Simplify right side
    7,790.85x = 26,203,818.66
  5. Step 5: Solve for x
    x = 26,203,818.66/7,790.85
  6. Step 6: Final answer
    x = 3,363.41

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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.