Home / 7,690.85-11,535.36-2,496.72

Finding the Fourth Proportional to 7,690.85, 11,535.36 and 2,496.72

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Solution

The fourth proportional to 7,690.85, 11,535.36 and 2,496.72 is: 3,744.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.85 : 11,535.36 = 2,496.72 : x
  2. Step 2: Convert to fraction form
    7,690.85/11,535.36 = 2,496.72/x
  3. Step 3: Cross multiply
    7,690.85x = 11,535.36 × 2,496.72
  4. Step 4: Simplify right side
    7,690.85x = 28,800,564.02
  5. Step 5: Solve for x
    x = 28,800,564.02/7,690.85
  6. Step 6: Final answer
    x = 3,744.78

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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.