Home / 5,003.36-6,895.50-3,321.80

Finding the Fourth Proportional to 5,003.36, 6,895.50 and 3,321.80

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Solution

The fourth proportional to 5,003.36, 6,895.50 and 3,321.80 is: 4,578.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.36 : 6,895.50 = 3,321.80 : x
  2. Step 2: Convert to fraction form
    5,003.36/6,895.50 = 3,321.80/x
  3. Step 3: Cross multiply
    5,003.36x = 6,895.50 × 3,321.80
  4. Step 4: Simplify right side
    5,003.36x = 22,905,471.90
  5. Step 5: Solve for x
    x = 22,905,471.90/5,003.36
  6. Step 6: Final answer
    x = 4,578.02

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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.