Home / 6,121.32-9,178.27-3,344.13

Finding the Fourth Proportional to 6,121.32, 9,178.27 and 3,344.13

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Solution

The fourth proportional to 6,121.32, 9,178.27 and 3,344.13 is: 5,014.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.32 : 9,178.27 = 3,344.13 : x
  2. Step 2: Convert to fraction form
    6,121.32/9,178.27 = 3,344.13/x
  3. Step 3: Cross multiply
    6,121.32x = 9,178.27 × 3,344.13
  4. Step 4: Simplify right side
    6,121.32x = 30,693,328.06
  5. Step 5: Solve for x
    x = 30,693,328.06/6,121.32
  6. Step 6: Final answer
    x = 5,014.17

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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.