Home / 7,849.79-11,772.34-2,583.83

Finding the Fourth Proportional to 7,849.79, 11,772.34 and 2,583.83

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Solution

The fourth proportional to 7,849.79, 11,772.34 and 2,583.83 is: 3,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.79 : 11,772.34 = 2,583.83 : x
  2. Step 2: Convert to fraction form
    7,849.79/11,772.34 = 2,583.83/x
  3. Step 3: Cross multiply
    7,849.79x = 11,772.34 × 2,583.83
  4. Step 4: Simplify right side
    7,849.79x = 30,417,748.23
  5. Step 5: Solve for x
    x = 30,417,748.23/7,849.79
  6. Step 6: Final answer
    x = 3,874.97

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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.