Home / 7,688.49-11,532.52-2,141.61

Finding the Fourth Proportional to 7,688.49, 11,532.52 and 2,141.61

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Solution

The fourth proportional to 7,688.49, 11,532.52 and 2,141.61 is: 3,212.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.49 : 11,532.52 = 2,141.61 : x
  2. Step 2: Convert to fraction form
    7,688.49/11,532.52 = 2,141.61/x
  3. Step 3: Cross multiply
    7,688.49x = 11,532.52 × 2,141.61
  4. Step 4: Simplify right side
    7,688.49x = 24,698,160.16
  5. Step 5: Solve for x
    x = 24,698,160.16/7,688.49
  6. Step 6: Final answer
    x = 3,212.36

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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.