Home / 8,629.32-11,906.83-5,272.95

Finding the Fourth Proportional to 8,629.32, 11,906.83 and 5,272.95

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Solution

The fourth proportional to 8,629.32, 11,906.83 and 5,272.95 is: 7,275.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.32 : 11,906.83 = 5,272.95 : x
  2. Step 2: Convert to fraction form
    8,629.32/11,906.83 = 5,272.95/x
  3. Step 3: Cross multiply
    8,629.32x = 11,906.83 × 5,272.95
  4. Step 4: Simplify right side
    8,629.32x = 62,784,119.25
  5. Step 5: Solve for x
    x = 62,784,119.25/8,629.32
  6. Step 6: Final answer
    x = 7,275.67

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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.