Home / 6,980.01-9,634.08-3,997.59

Finding the Fourth Proportional to 6,980.01, 9,634.08 and 3,997.59

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Solution

The fourth proportional to 6,980.01, 9,634.08 and 3,997.59 is: 5,517.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.01 : 9,634.08 = 3,997.59 : x
  2. Step 2: Convert to fraction form
    6,980.01/9,634.08 = 3,997.59/x
  3. Step 3: Cross multiply
    6,980.01x = 9,634.08 × 3,997.59
  4. Step 4: Simplify right side
    6,980.01x = 38,513,101.87
  5. Step 5: Solve for x
    x = 38,513,101.87/6,980.01
  6. Step 6: Final answer
    x = 5,517.63

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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.