Home / 6,680.13-10,013.52-3,163.89

Finding the Fourth Proportional to 6,680.13, 10,013.52 and 3,163.89

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Solution

The fourth proportional to 6,680.13, 10,013.52 and 3,163.89 is: 4,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.13 : 10,013.52 = 3,163.89 : x
  2. Step 2: Convert to fraction form
    6,680.13/10,013.52 = 3,163.89/x
  3. Step 3: Cross multiply
    6,680.13x = 10,013.52 × 3,163.89
  4. Step 4: Simplify right side
    6,680.13x = 31,681,675.79
  5. Step 5: Solve for x
    x = 31,681,675.79/6,680.13
  6. Step 6: Final answer
    x = 4,742.67

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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.