Home / 4,790.82-7,186.62-1,869.12

Finding the Fourth Proportional to 4,790.82, 7,186.62 and 1,869.12

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Solution

The fourth proportional to 4,790.82, 7,186.62 and 1,869.12 is: 2,803.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.82 : 7,186.62 = 1,869.12 : x
  2. Step 2: Convert to fraction form
    4,790.82/7,186.62 = 1,869.12/x
  3. Step 3: Cross multiply
    4,790.82x = 7,186.62 × 1,869.12
  4. Step 4: Simplify right side
    4,790.82x = 13,432,655.17
  5. Step 5: Solve for x
    x = 13,432,655.17/4,790.82
  6. Step 6: Final answer
    x = 2,803.83

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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.