Home / 6,121.40-9,186.75-3,003.17

Finding the Fourth Proportional to 6,121.40, 9,186.75 and 3,003.17

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Solution

The fourth proportional to 6,121.40, 9,186.75 and 3,003.17 is: 4,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.40 : 9,186.75 = 3,003.17 : x
  2. Step 2: Convert to fraction form
    6,121.40/9,186.75 = 3,003.17/x
  3. Step 3: Cross multiply
    6,121.40x = 9,186.75 × 3,003.17
  4. Step 4: Simplify right side
    6,121.40x = 27,589,326.06
  5. Step 5: Solve for x
    x = 27,589,326.06/6,121.40
  6. Step 6: Final answer
    x = 4,507.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.