Home / 7,121.16-10,674.54-4,660.92

Finding the Fourth Proportional to 7,121.16, 10,674.54 and 4,660.92

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Solution

The fourth proportional to 7,121.16, 10,674.54 and 4,660.92 is: 6,986.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121.16 : 10,674.54 = 4,660.92 : x
  2. Step 2: Convert to fraction form
    7,121.16/10,674.54 = 4,660.92/x
  3. Step 3: Cross multiply
    7,121.16x = 10,674.54 × 4,660.92
  4. Step 4: Simplify right side
    7,121.16x = 49,753,176.98
  5. Step 5: Solve for x
    x = 49,753,176.98/7,121.16
  6. Step 6: Final answer
    x = 6,986.67

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1.5x scale

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.