Home / 5,759.13-7,946.19-3,240.75

Finding the Fourth Proportional to 5,759.13, 7,946.19 and 3,240.75

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Solution

The fourth proportional to 5,759.13, 7,946.19 and 3,240.75 is: 4,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.13 : 7,946.19 = 3,240.75 : x
  2. Step 2: Convert to fraction form
    5,759.13/7,946.19 = 3,240.75/x
  3. Step 3: Cross multiply
    5,759.13x = 7,946.19 × 3,240.75
  4. Step 4: Simplify right side
    5,759.13x = 25,751,615.24
  5. Step 5: Solve for x
    x = 25,751,615.24/5,759.13
  6. Step 6: Final answer
    x = 4,471.44

Related Problems

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Half scale
Find fourth proportional to 11,518.26, 15,892.38 and 6,481.50
Double scale
Find fourth proportional to 5,760.13, 7,947.57 and 3,241.75
Similar ratio
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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.