Home / 6,743.40-9,305.60-3,759.08

Finding the Fourth Proportional to 6,743.40, 9,305.60 and 3,759.08

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Solution

The fourth proportional to 6,743.40, 9,305.60 and 3,759.08 is: 5,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.40 : 9,305.60 = 3,759.08 : x
  2. Step 2: Convert to fraction form
    6,743.40/9,305.60 = 3,759.08/x
  3. Step 3: Cross multiply
    6,743.40x = 9,305.60 × 3,759.08
  4. Step 4: Simplify right side
    6,743.40x = 34,980,494.85
  5. Step 5: Solve for x
    x = 34,980,494.85/6,743.40
  6. Step 6: Final answer
    x = 5,187.37

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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.