Home / 6,749.60-9,314.42-3,765.43

Finding the Fourth Proportional to 6,749.60, 9,314.42 and 3,765.43

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Solution

The fourth proportional to 6,749.60, 9,314.42 and 3,765.43 is: 5,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.60 : 9,314.42 = 3,765.43 : x
  2. Step 2: Convert to fraction form
    6,749.60/9,314.42 = 3,765.43/x
  3. Step 3: Cross multiply
    6,749.60x = 9,314.42 × 3,765.43
  4. Step 4: Simplify right side
    6,749.60x = 35,072,817.56
  5. Step 5: Solve for x
    x = 35,072,817.56/6,749.60
  6. Step 6: Final answer
    x = 5,196.28

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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.