Home / 10,552.52-15,822.78-4,305.21

Finding the Fourth Proportional to 10,552.52, 15,822.78 and 4,305.21

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Solution

The fourth proportional to 10,552.52, 15,822.78 and 4,305.21 is: 6,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.52 : 15,822.78 = 4,305.21 : x
  2. Step 2: Convert to fraction form
    10,552.52/15,822.78 = 4,305.21/x
  3. Step 3: Cross multiply
    10,552.52x = 15,822.78 × 4,305.21
  4. Step 4: Simplify right side
    10,552.52x = 68,120,390.68
  5. Step 5: Solve for x
    x = 68,120,390.68/10,552.52
  6. Step 6: Final answer
    x = 6,455.37

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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.