Home / 6,749.70-9,314.52-3,724.85

Finding the Fourth Proportional to 6,749.70, 9,314.52 and 3,724.85

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Solution

The fourth proportional to 6,749.70, 9,314.52 and 3,724.85 is: 5,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.70 : 9,314.52 = 3,724.85 : x
  2. Step 2: Convert to fraction form
    6,749.70/9,314.52 = 3,724.85/x
  3. Step 3: Cross multiply
    6,749.70x = 9,314.52 × 3,724.85
  4. Step 4: Simplify right side
    6,749.70x = 34,695,143.25
  5. Step 5: Solve for x
    x = 34,695,143.25/6,749.70
  6. Step 6: Final answer
    x = 5,140.25

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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.