Home / 7,924.51-11,882.32-5,428.52

Finding the Fourth Proportional to 7,924.51, 11,882.32 and 5,428.52

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Solution

The fourth proportional to 7,924.51, 11,882.32 and 5,428.52 is: 8,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.51 : 11,882.32 = 5,428.52 : x
  2. Step 2: Convert to fraction form
    7,924.51/11,882.32 = 5,428.52/x
  3. Step 3: Cross multiply
    7,924.51x = 11,882.32 × 5,428.52
  4. Step 4: Simplify right side
    7,924.51x = 64,503,410.06
  5. Step 5: Solve for x
    x = 64,503,410.06/7,924.51
  6. Step 6: Final answer
    x = 8,139.73

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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.