Home / 6,553.80-9,811.37-4,328.55

Finding the Fourth Proportional to 6,553.80, 9,811.37 and 4,328.55

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Solution

The fourth proportional to 6,553.80, 9,811.37 and 4,328.55 is: 6,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,553.80 : 9,811.37 = 4,328.55 : x
  2. Step 2: Convert to fraction form
    6,553.80/9,811.37 = 4,328.55/x
  3. Step 3: Cross multiply
    6,553.80x = 9,811.37 × 4,328.55
  4. Step 4: Simplify right side
    6,553.80x = 42,469,016.43
  5. Step 5: Solve for x
    x = 42,469,016.43/6,553.80
  6. Step 6: Final answer
    x = 6,480.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.