Home / 7,182.41-9,912.92-4,197.67

Finding the Fourth Proportional to 7,182.41, 9,912.92 and 4,197.67

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Solution

The fourth proportional to 7,182.41, 9,912.92 and 4,197.67 is: 5,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.41 : 9,912.92 = 4,197.67 : x
  2. Step 2: Convert to fraction form
    7,182.41/9,912.92 = 4,197.67/x
  3. Step 3: Cross multiply
    7,182.41x = 9,912.92 × 4,197.67
  4. Step 4: Simplify right side
    7,182.41x = 41,611,121.13
  5. Step 5: Solve for x
    x = 41,611,121.13/7,182.41
  6. Step 6: Final answer
    x = 5,793.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.