Home / 7,922.07-11,883.15-2,078.55

Finding the Fourth Proportional to 7,922.07, 11,883.15 and 2,078.55

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Solution

The fourth proportional to 7,922.07, 11,883.15 and 2,078.55 is: 3,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.07 : 11,883.15 = 2,078.55 : x
  2. Step 2: Convert to fraction form
    7,922.07/11,883.15 = 2,078.55/x
  3. Step 3: Cross multiply
    7,922.07x = 11,883.15 × 2,078.55
  4. Step 4: Simplify right side
    7,922.07x = 24,699,721.43
  5. Step 5: Solve for x
    x = 24,699,721.43/7,922.07
  6. Step 6: Final answer
    x = 3,117.84

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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.