Home / 6,786.95-10,181.03-1,856.61

Finding the Fourth Proportional to 6,786.95, 10,181.03 and 1,856.61

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Solution

The fourth proportional to 6,786.95, 10,181.03 and 1,856.61 is: 2,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.95 : 10,181.03 = 1,856.61 : x
  2. Step 2: Convert to fraction form
    6,786.95/10,181.03 = 1,856.61/x
  3. Step 3: Cross multiply
    6,786.95x = 10,181.03 × 1,856.61
  4. Step 4: Simplify right side
    6,786.95x = 18,902,192.83
  5. Step 5: Solve for x
    x = 18,902,192.83/6,786.95
  6. Step 6: Final answer
    x = 2,785.08

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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.