Home / 7,163.24-9,885.01-3,976.67

Finding the Fourth Proportional to 7,163.24, 9,885.01 and 3,976.67

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Solution

The fourth proportional to 7,163.24, 9,885.01 and 3,976.67 is: 5,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,163.24 : 9,885.01 = 3,976.67 : x
  2. Step 2: Convert to fraction form
    7,163.24/9,885.01 = 3,976.67/x
  3. Step 3: Cross multiply
    7,163.24x = 9,885.01 × 3,976.67
  4. Step 4: Simplify right side
    7,163.24x = 39,309,400.42
  5. Step 5: Solve for x
    x = 39,309,400.42/7,163.24
  6. Step 6: Final answer
    x = 5,487.66

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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.