Home / 7,555.70-11,337.99-3,172.82

Finding the Fourth Proportional to 7,555.70, 11,337.99 and 3,172.82

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Solution

The fourth proportional to 7,555.70, 11,337.99 and 3,172.82 is: 4,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.70 : 11,337.99 = 3,172.82 : x
  2. Step 2: Convert to fraction form
    7,555.70/11,337.99 = 3,172.82/x
  3. Step 3: Cross multiply
    7,555.70x = 11,337.99 × 3,172.82
  4. Step 4: Simplify right side
    7,555.70x = 35,973,401.43
  5. Step 5: Solve for x
    x = 35,973,401.43/7,555.70
  6. Step 6: Final answer
    x = 4,761.09

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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.