Home / 7,924.07-11,886.15-2,080.55

Finding the Fourth Proportional to 7,924.07, 11,886.15 and 2,080.55

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Solution

The fourth proportional to 7,924.07, 11,886.15 and 2,080.55 is: 3,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.07 : 11,886.15 = 2,080.55 : x
  2. Step 2: Convert to fraction form
    7,924.07/11,886.15 = 2,080.55/x
  3. Step 3: Cross multiply
    7,924.07x = 11,886.15 × 2,080.55
  4. Step 4: Simplify right side
    7,924.07x = 24,729,729.38
  5. Step 5: Solve for x
    x = 24,729,729.38/7,924.07
  6. Step 6: Final answer
    x = 3,120.84

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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.