Home / 6,643.34-9,174.04-4,163.66

Finding the Fourth Proportional to 6,643.34, 9,174.04 and 4,163.66

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Solution

The fourth proportional to 6,643.34, 9,174.04 and 4,163.66 is: 5,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.34 : 9,174.04 = 4,163.66 : x
  2. Step 2: Convert to fraction form
    6,643.34/9,174.04 = 4,163.66/x
  3. Step 3: Cross multiply
    6,643.34x = 9,174.04 × 4,163.66
  4. Step 4: Simplify right side
    6,643.34x = 38,197,583.39
  5. Step 5: Solve for x
    x = 38,197,583.39/6,643.34
  6. Step 6: Final answer
    x = 5,749.76

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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.