Home / 7,924.32-11,886.12-2,080.98

Finding the Fourth Proportional to 7,924.32, 11,886.12 and 2,080.98

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Solution

The fourth proportional to 7,924.32, 11,886.12 and 2,080.98 is: 3,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.32 : 11,886.12 = 2,080.98 : x
  2. Step 2: Convert to fraction form
    7,924.32/11,886.12 = 2,080.98/x
  3. Step 3: Cross multiply
    7,924.32x = 11,886.12 × 2,080.98
  4. Step 4: Simplify right side
    7,924.32x = 24,734,778.00
  5. Step 5: Solve for x
    x = 24,734,778.00/7,924.32
  6. Step 6: Final answer
    x = 3,121.38

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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.