Home / 7,155.30-10,731.33-3,204.48

Finding the Fourth Proportional to 7,155.30, 10,731.33 and 3,204.48

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Solution

The fourth proportional to 7,155.30, 10,731.33 and 3,204.48 is: 4,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.30 : 10,731.33 = 3,204.48 : x
  2. Step 2: Convert to fraction form
    7,155.30/10,731.33 = 3,204.48/x
  3. Step 3: Cross multiply
    7,155.30x = 10,731.33 × 3,204.48
  4. Step 4: Simplify right side
    7,155.30x = 34,388,332.36
  5. Step 5: Solve for x
    x = 34,388,332.36/7,155.30
  6. Step 6: Final answer
    x = 4,805.99

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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.