Home / 7,730.32-11,589.42-3,344.80

Finding the Fourth Proportional to 7,730.32, 11,589.42 and 3,344.80

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Solution

The fourth proportional to 7,730.32, 11,589.42 and 3,344.80 is: 5,014.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.32 : 11,589.42 = 3,344.80 : x
  2. Step 2: Convert to fraction form
    7,730.32/11,589.42 = 3,344.80/x
  3. Step 3: Cross multiply
    7,730.32x = 11,589.42 × 3,344.80
  4. Step 4: Simplify right side
    7,730.32x = 38,764,292.02
  5. Step 5: Solve for x
    x = 38,764,292.02/7,730.32
  6. Step 6: Final answer
    x = 5,014.58

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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.