Home / 6,120.29-8,443.96-4,231.19

Finding the Fourth Proportional to 6,120.29, 8,443.96 and 4,231.19

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Solution

The fourth proportional to 6,120.29, 8,443.96 and 4,231.19 is: 5,837.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.29 : 8,443.96 = 4,231.19 : x
  2. Step 2: Convert to fraction form
    6,120.29/8,443.96 = 4,231.19/x
  3. Step 3: Cross multiply
    6,120.29x = 8,443.96 × 4,231.19
  4. Step 4: Simplify right side
    6,120.29x = 35,727,946.31
  5. Step 5: Solve for x
    x = 35,727,946.31/6,120.29
  6. Step 6: Final answer
    x = 5,837.63

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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.