Home / 7,766.09-11,648.99-1,922.70

Finding the Fourth Proportional to 7,766.09, 11,648.99 and 1,922.70

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Solution

The fourth proportional to 7,766.09, 11,648.99 and 1,922.70 is: 2,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.09 : 11,648.99 = 1,922.70 : x
  2. Step 2: Convert to fraction form
    7,766.09/11,648.99 = 1,922.70/x
  3. Step 3: Cross multiply
    7,766.09x = 11,648.99 × 1,922.70
  4. Step 4: Simplify right side
    7,766.09x = 22,397,513.07
  5. Step 5: Solve for x
    x = 22,397,513.07/7,766.09
  6. Step 6: Final answer
    x = 2,884.01

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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.