Home / 6,656.30-9,179.14-5,163.67

Finding the Fourth Proportional to 6,656.30, 9,179.14 and 5,163.67

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Solution

The fourth proportional to 6,656.30, 9,179.14 and 5,163.67 is: 7,120.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.30 : 9,179.14 = 5,163.67 : x
  2. Step 2: Convert to fraction form
    6,656.30/9,179.14 = 5,163.67/x
  3. Step 3: Cross multiply
    6,656.30x = 9,179.14 × 5,163.67
  4. Step 4: Simplify right side
    6,656.30x = 47,398,062.12
  5. Step 5: Solve for x
    x = 47,398,062.12/6,656.30
  6. Step 6: Final answer
    x = 7,120.78

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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.