Home / 7,690.20-11,524.66-4,396.34

Finding the Fourth Proportional to 7,690.20, 11,524.66 and 4,396.34

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Solution

The fourth proportional to 7,690.20, 11,524.66 and 4,396.34 is: 6,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.20 : 11,524.66 = 4,396.34 : x
  2. Step 2: Convert to fraction form
    7,690.20/11,524.66 = 4,396.34/x
  3. Step 3: Cross multiply
    7,690.20x = 11,524.66 × 4,396.34
  4. Step 4: Simplify right side
    7,690.20x = 50,666,323.74
  5. Step 5: Solve for x
    x = 50,666,323.74/7,690.20
  6. Step 6: Final answer
    x = 6,588.43

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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.