Home / 7,086.92-10,630.76-1,822

Finding the Fourth Proportional to 7,086.92, 10,630.76 and 1,822

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Solution

The fourth proportional to 7,086.92, 10,630.76 and 1,822 is: 2,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.92 : 10,630.76 = 1,822 : x
  2. Step 2: Convert to fraction form
    7,086.92/10,630.76 = 1,822/x
  3. Step 3: Cross multiply
    7,086.92x = 10,630.76 × 1,822
  4. Step 4: Simplify right side
    7,086.92x = 19,369,244.72
  5. Step 5: Solve for x
    x = 19,369,244.72/7,086.92
  6. Step 6: Final answer
    x = 2,733.10

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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.