Home / 6,919.74-10,375.62-4,731.12

Finding the Fourth Proportional to 6,919.74, 10,375.62 and 4,731.12

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Solution

The fourth proportional to 6,919.74, 10,375.62 and 4,731.12 is: 7,093.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.74 : 10,375.62 = 4,731.12 : x
  2. Step 2: Convert to fraction form
    6,919.74/10,375.62 = 4,731.12/x
  3. Step 3: Cross multiply
    6,919.74x = 10,375.62 × 4,731.12
  4. Step 4: Simplify right side
    6,919.74x = 49,088,303.29
  5. Step 5: Solve for x
    x = 49,088,303.29/6,919.74
  6. Step 6: Final answer
    x = 7,093.95

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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.