Home / 7,924.12-11,886.04-2,729.88

Finding the Fourth Proportional to 7,924.12, 11,886.04 and 2,729.88

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Solution

The fourth proportional to 7,924.12, 11,886.04 and 2,729.88 is: 4,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.12 : 11,886.04 = 2,729.88 : x
  2. Step 2: Convert to fraction form
    7,924.12/11,886.04 = 2,729.88/x
  3. Step 3: Cross multiply
    7,924.12x = 11,886.04 × 2,729.88
  4. Step 4: Simplify right side
    7,924.12x = 32,447,462.88
  5. Step 5: Solve for x
    x = 32,447,462.88/7,924.12
  6. Step 6: Final answer
    x = 4,094.77

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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.