Home / 8,422.92-11,626.20-4,887.54

Finding the Fourth Proportional to 8,422.92, 11,626.20 and 4,887.54

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Solution

The fourth proportional to 8,422.92, 11,626.20 and 4,887.54 is: 6,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.92 : 11,626.20 = 4,887.54 : x
  2. Step 2: Convert to fraction form
    8,422.92/11,626.20 = 4,887.54/x
  3. Step 3: Cross multiply
    8,422.92x = 11,626.20 × 4,887.54
  4. Step 4: Simplify right side
    8,422.92x = 56,823,517.55
  5. Step 5: Solve for x
    x = 56,823,517.55/8,422.92
  6. Step 6: Final answer
    x = 6,746.30

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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.