Home / 4,083.38-6,124.75-1,309.31

Finding the Fourth Proportional to 4,083.38, 6,124.75 and 1,309.31

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Solution

The fourth proportional to 4,083.38, 6,124.75 and 1,309.31 is: 1,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.38 : 6,124.75 = 1,309.31 : x
  2. Step 2: Convert to fraction form
    4,083.38/6,124.75 = 1,309.31/x
  3. Step 3: Cross multiply
    4,083.38x = 6,124.75 × 1,309.31
  4. Step 4: Simplify right side
    4,083.38x = 8,019,196.42
  5. Step 5: Solve for x
    x = 8,019,196.42/4,083.38
  6. Step 6: Final answer
    x = 1,963.86

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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.