Home / 6,961.67-9,607.76-3,977.52

Finding the Fourth Proportional to 6,961.67, 9,607.76 and 3,977.52

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Solution

The fourth proportional to 6,961.67, 9,607.76 and 3,977.52 is: 5,489.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.67 : 9,607.76 = 3,977.52 : x
  2. Step 2: Convert to fraction form
    6,961.67/9,607.76 = 3,977.52/x
  3. Step 3: Cross multiply
    6,961.67x = 9,607.76 × 3,977.52
  4. Step 4: Simplify right side
    6,961.67x = 38,215,057.56
  5. Step 5: Solve for x
    x = 38,215,057.56/6,961.67
  6. Step 6: Final answer
    x = 5,489.35

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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.