Home / 10,604.52-15,905.87-3,210.64

Finding the Fourth Proportional to 10,604.52, 15,905.87 and 3,210.64

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Solution

The fourth proportional to 10,604.52, 15,905.87 and 3,210.64 is: 4,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.52 : 15,905.87 = 3,210.64 : x
  2. Step 2: Convert to fraction form
    10,604.52/15,905.87 = 3,210.64/x
  3. Step 3: Cross multiply
    10,604.52x = 15,905.87 × 3,210.64
  4. Step 4: Simplify right side
    10,604.52x = 51,067,978.68
  5. Step 5: Solve for x
    x = 51,067,978.68/10,604.52
  6. Step 6: Final answer
    x = 4,815.68

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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.