Home / 7,188.52-10,786.20-3,725.76

Finding the Fourth Proportional to 7,188.52, 10,786.20 and 3,725.76

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Solution

The fourth proportional to 7,188.52, 10,786.20 and 3,725.76 is: 5,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.52 : 10,786.20 = 3,725.76 : x
  2. Step 2: Convert to fraction form
    7,188.52/10,786.20 = 3,725.76/x
  3. Step 3: Cross multiply
    7,188.52x = 10,786.20 × 3,725.76
  4. Step 4: Simplify right side
    7,188.52x = 40,186,792.51
  5. Step 5: Solve for x
    x = 40,186,792.51/7,188.52
  6. Step 6: Final answer
    x = 5,590.41

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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.