Home / 7,172.11-10,762.33-3,011.79

Finding the Fourth Proportional to 7,172.11, 10,762.33 and 3,011.79

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Solution

The fourth proportional to 7,172.11, 10,762.33 and 3,011.79 is: 4,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.11 : 10,762.33 = 3,011.79 : x
  2. Step 2: Convert to fraction form
    7,172.11/10,762.33 = 3,011.79/x
  3. Step 3: Cross multiply
    7,172.11x = 10,762.33 × 3,011.79
  4. Step 4: Simplify right side
    7,172.11x = 32,413,877.87
  5. Step 5: Solve for x
    x = 32,413,877.87/7,172.11
  6. Step 6: Final answer
    x = 4,519.43

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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.