Home / 10,604.10-15,908.65-3,208.62

Finding the Fourth Proportional to 10,604.10, 15,908.65 and 3,208.62

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Solution

The fourth proportional to 10,604.10, 15,908.65 and 3,208.62 is: 4,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.10 : 15,908.65 = 3,208.62 : x
  2. Step 2: Convert to fraction form
    10,604.10/15,908.65 = 3,208.62/x
  3. Step 3: Cross multiply
    10,604.10x = 15,908.65 × 3,208.62
  4. Step 4: Simplify right side
    10,604.10x = 51,044,812.56
  5. Step 5: Solve for x
    x = 51,044,812.56/10,604.10
  6. Step 6: Final answer
    x = 4,813.69

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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.