Home / 6,921.32-9,550.44-3,937.46

Finding the Fourth Proportional to 6,921.32, 9,550.44 and 3,937.46

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Solution

The fourth proportional to 6,921.32, 9,550.44 and 3,937.46 is: 5,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.32 : 9,550.44 = 3,937.46 : x
  2. Step 2: Convert to fraction form
    6,921.32/9,550.44 = 3,937.46/x
  3. Step 3: Cross multiply
    6,921.32x = 9,550.44 × 3,937.46
  4. Step 4: Simplify right side
    6,921.32x = 37,604,427.73
  5. Step 5: Solve for x
    x = 37,604,427.73/6,921.32
  6. Step 6: Final answer
    x = 5,433.13

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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.