Home / 7,077.09-10,615.23-3,381.87

Finding the Fourth Proportional to 7,077.09, 10,615.23 and 3,381.87

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Solution

The fourth proportional to 7,077.09, 10,615.23 and 3,381.87 is: 5,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.09 : 10,615.23 = 3,381.87 : x
  2. Step 2: Convert to fraction form
    7,077.09/10,615.23 = 3,381.87/x
  3. Step 3: Cross multiply
    7,077.09x = 10,615.23 × 3,381.87
  4. Step 4: Simplify right side
    7,077.09x = 35,899,327.88
  5. Step 5: Solve for x
    x = 35,899,327.88/7,077.09
  6. Step 6: Final answer
    x = 5,072.61

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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.