Home / 4,183.32-6,275.70-1,261.38

Finding the Fourth Proportional to 4,183.32, 6,275.70 and 1,261.38

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Solution

The fourth proportional to 4,183.32, 6,275.70 and 1,261.38 is: 1,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,183.32 : 6,275.70 = 1,261.38 : x
  2. Step 2: Convert to fraction form
    4,183.32/6,275.70 = 1,261.38/x
  3. Step 3: Cross multiply
    4,183.32x = 6,275.70 × 1,261.38
  4. Step 4: Simplify right side
    4,183.32x = 7,916,042.47
  5. Step 5: Solve for x
    x = 7,916,042.47/4,183.32
  6. Step 6: Final answer
    x = 1,892.29

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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.