Home / 8,632.78-11,912.97-4,856.15

Finding the Fourth Proportional to 8,632.78, 11,912.97 and 4,856.15

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Solution

The fourth proportional to 8,632.78, 11,912.97 and 4,856.15 is: 6,701.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.78 : 11,912.97 = 4,856.15 : x
  2. Step 2: Convert to fraction form
    8,632.78/11,912.97 = 4,856.15/x
  3. Step 3: Cross multiply
    8,632.78x = 11,912.97 × 4,856.15
  4. Step 4: Simplify right side
    8,632.78x = 57,851,199.05
  5. Step 5: Solve for x
    x = 57,851,199.05/8,632.78
  6. Step 6: Final answer
    x = 6,701.34

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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.