Home / 6,661.80-9,190.02-4,305.96

Finding the Fourth Proportional to 6,661.80, 9,190.02 and 4,305.96

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Solution

The fourth proportional to 6,661.80, 9,190.02 and 4,305.96 is: 5,940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.80 : 9,190.02 = 4,305.96 : x
  2. Step 2: Convert to fraction form
    6,661.80/9,190.02 = 4,305.96/x
  3. Step 3: Cross multiply
    6,661.80x = 9,190.02 × 4,305.96
  4. Step 4: Simplify right side
    6,661.80x = 39,571,858.52
  5. Step 5: Solve for x
    x = 39,571,858.52/6,661.80
  6. Step 6: Final answer
    x = 5,940.12

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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.