Home / 6,520.88-8,997.81-4,283.66

Finding the Fourth Proportional to 6,520.88, 8,997.81 and 4,283.66

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Solution

The fourth proportional to 6,520.88, 8,997.81 and 4,283.66 is: 5,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.88 : 8,997.81 = 4,283.66 : x
  2. Step 2: Convert to fraction form
    6,520.88/8,997.81 = 4,283.66/x
  3. Step 3: Cross multiply
    6,520.88x = 8,997.81 × 4,283.66
  4. Step 4: Simplify right side
    6,520.88x = 38,543,558.78
  5. Step 5: Solve for x
    x = 38,543,558.78/6,520.88
  6. Step 6: Final answer
    x = 5,910.79

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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.