Home / 7,202.13-10,803.50-3,689.96

Finding the Fourth Proportional to 7,202.13, 10,803.50 and 3,689.96

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Solution

The fourth proportional to 7,202.13, 10,803.50 and 3,689.96 is: 5,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202.13 : 10,803.50 = 3,689.96 : x
  2. Step 2: Convert to fraction form
    7,202.13/10,803.50 = 3,689.96/x
  3. Step 3: Cross multiply
    7,202.13x = 10,803.50 × 3,689.96
  4. Step 4: Simplify right side
    7,202.13x = 39,864,410.39
  5. Step 5: Solve for x
    x = 39,864,410.39/7,202.13
  6. Step 6: Final answer
    x = 5,535.09

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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.