Home / 7,749.37-11,627.16-2,819.35

Finding the Fourth Proportional to 7,749.37, 11,627.16 and 2,819.35

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Solution

The fourth proportional to 7,749.37, 11,627.16 and 2,819.35 is: 4,230.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.37 : 11,627.16 = 2,819.35 : x
  2. Step 2: Convert to fraction form
    7,749.37/11,627.16 = 2,819.35/x
  3. Step 3: Cross multiply
    7,749.37x = 11,627.16 × 2,819.35
  4. Step 4: Simplify right side
    7,749.37x = 32,781,033.55
  5. Step 5: Solve for x
    x = 32,781,033.55/7,749.37
  6. Step 6: Final answer
    x = 4,230.15

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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.