Home / 8,247.17-11,380.81-4,887.99

Finding the Fourth Proportional to 8,247.17, 11,380.81 and 4,887.99

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Solution

The fourth proportional to 8,247.17, 11,380.81 and 4,887.99 is: 6,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.17 : 11,380.81 = 4,887.99 : x
  2. Step 2: Convert to fraction form
    8,247.17/11,380.81 = 4,887.99/x
  3. Step 3: Cross multiply
    8,247.17x = 11,380.81 × 4,887.99
  4. Step 4: Simplify right side
    8,247.17x = 55,629,285.47
  5. Step 5: Solve for x
    x = 55,629,285.47/8,247.17
  6. Step 6: Final answer
    x = 6,745.26

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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.