Home / 10,439.52-15,662.70-3,866.22

Finding the Fourth Proportional to 10,439.52, 15,662.70 and 3,866.22

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Solution

The fourth proportional to 10,439.52, 15,662.70 and 3,866.22 is: 5,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,439.52 : 15,662.70 = 3,866.22 : x
  2. Step 2: Convert to fraction form
    10,439.52/15,662.70 = 3,866.22/x
  3. Step 3: Cross multiply
    10,439.52x = 15,662.70 × 3,866.22
  4. Step 4: Simplify right side
    10,439.52x = 60,555,443.99
  5. Step 5: Solve for x
    x = 60,555,443.99/10,439.52
  6. Step 6: Final answer
    x = 5,800.60

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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.