Home / 6,921.77-9,552.26-3,937.73

Finding the Fourth Proportional to 6,921.77, 9,552.26 and 3,937.73

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Solution

The fourth proportional to 6,921.77, 9,552.26 and 3,937.73 is: 5,434.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.77 : 9,552.26 = 3,937.73 : x
  2. Step 2: Convert to fraction form
    6,921.77/9,552.26 = 3,937.73/x
  3. Step 3: Cross multiply
    6,921.77x = 9,552.26 × 3,937.73
  4. Step 4: Simplify right side
    6,921.77x = 37,614,182.85
  5. Step 5: Solve for x
    x = 37,614,182.85/6,921.77
  6. Step 6: Final answer
    x = 5,434.19

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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.