Home / 6,910.21-9,535.62-3,885.79

Finding the Fourth Proportional to 6,910.21, 9,535.62 and 3,885.79

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Solution

The fourth proportional to 6,910.21, 9,535.62 and 3,885.79 is: 5,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.21 : 9,535.62 = 3,885.79 : x
  2. Step 2: Convert to fraction form
    6,910.21/9,535.62 = 3,885.79/x
  3. Step 3: Cross multiply
    6,910.21x = 9,535.62 × 3,885.79
  4. Step 4: Simplify right side
    6,910.21x = 37,053,425.45
  5. Step 5: Solve for x
    x = 37,053,425.45/6,910.21
  6. Step 6: Final answer
    x = 5,362.13

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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.