Home / 5,739.36-7,920.90-3,382.26

Finding the Fourth Proportional to 5,739.36, 7,920.90 and 3,382.26

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Solution

The fourth proportional to 5,739.36, 7,920.90 and 3,382.26 is: 4,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.36 : 7,920.90 = 3,382.26 : x
  2. Step 2: Convert to fraction form
    5,739.36/7,920.90 = 3,382.26/x
  3. Step 3: Cross multiply
    5,739.36x = 7,920.90 × 3,382.26
  4. Step 4: Simplify right side
    5,739.36x = 26,790,543.23
  5. Step 5: Solve for x
    x = 26,790,543.23/5,739.36
  6. Step 6: Final answer
    x = 4,667.86

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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.