Home / 7,749.45-11,617.64-3,363.60

Finding the Fourth Proportional to 7,749.45, 11,617.64 and 3,363.60

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Solution

The fourth proportional to 7,749.45, 11,617.64 and 3,363.60 is: 5,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.45 : 11,617.64 = 3,363.60 : x
  2. Step 2: Convert to fraction form
    7,749.45/11,617.64 = 3,363.60/x
  3. Step 3: Cross multiply
    7,749.45x = 11,617.64 × 3,363.60
  4. Step 4: Simplify right side
    7,749.45x = 39,077,145.88
  5. Step 5: Solve for x
    x = 39,077,145.88/7,749.45
  6. Step 6: Final answer
    x = 5,042.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.