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Finding the Fourth Proportional to 7,675.04, 11,509.17 and 3,517.65

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Solution

The fourth proportional to 7,675.04, 11,509.17 and 3,517.65 is: 5,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.04 : 11,509.17 = 3,517.65 : x
  2. Step 2: Convert to fraction form
    7,675.04/11,509.17 = 3,517.65/x
  3. Step 3: Cross multiply
    7,675.04x = 11,509.17 × 3,517.65
  4. Step 4: Simplify right side
    7,675.04x = 40,485,231.85
  5. Step 5: Solve for x
    x = 40,485,231.85/7,675.04
  6. Step 6: Final answer
    x = 5,274.92

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1.5x scale

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.