Home / 7,190.28-10,734.78-6,150.66

Finding the Fourth Proportional to 7,190.28, 10,734.78 and 6,150.66

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Solution

The fourth proportional to 7,190.28, 10,734.78 and 6,150.66 is: 9,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.28 : 10,734.78 = 6,150.66 : x
  2. Step 2: Convert to fraction form
    7,190.28/10,734.78 = 6,150.66/x
  3. Step 3: Cross multiply
    7,190.28x = 10,734.78 × 6,150.66
  4. Step 4: Simplify right side
    7,190.28x = 66,025,981.95
  5. Step 5: Solve for x
    x = 66,025,981.95/7,190.28
  6. Step 6: Final answer
    x = 9,182.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.