Home / 7,077.06-10,615.41-3,381.90

Finding the Fourth Proportional to 7,077.06, 10,615.41 and 3,381.90

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Solution

The fourth proportional to 7,077.06, 10,615.41 and 3,381.90 is: 5,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.06 : 10,615.41 = 3,381.90 : x
  2. Step 2: Convert to fraction form
    7,077.06/10,615.41 = 3,381.90/x
  3. Step 3: Cross multiply
    7,077.06x = 10,615.41 × 3,381.90
  4. Step 4: Simplify right side
    7,077.06x = 35,900,255.08
  5. Step 5: Solve for x
    x = 35,900,255.08/7,077.06
  6. Step 6: Final answer
    x = 5,072.76

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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.