Home / 6,961.09-9,606.50-3,977.41

Finding the Fourth Proportional to 6,961.09, 9,606.50 and 3,977.41

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Solution

The fourth proportional to 6,961.09, 9,606.50 and 3,977.41 is: 5,488.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961.09 : 9,606.50 = 3,977.41 : x
  2. Step 2: Convert to fraction form
    6,961.09/9,606.50 = 3,977.41/x
  3. Step 3: Cross multiply
    6,961.09x = 9,606.50 × 3,977.41
  4. Step 4: Simplify right side
    6,961.09x = 38,208,969.28
  5. Step 5: Solve for x
    x = 38,208,969.28/6,961.09
  6. Step 6: Final answer
    x = 5,488.93

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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.