Home / 6,659.67-9,190.40-3,675.70

Finding the Fourth Proportional to 6,659.67, 9,190.40 and 3,675.70

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Solution

The fourth proportional to 6,659.67, 9,190.40 and 3,675.70 is: 5,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,659.67 : 9,190.40 = 3,675.70 : x
  2. Step 2: Convert to fraction form
    6,659.67/9,190.40 = 3,675.70/x
  3. Step 3: Cross multiply
    6,659.67x = 9,190.40 × 3,675.70
  4. Step 4: Simplify right side
    6,659.67x = 33,781,094.69
  5. Step 5: Solve for x
    x = 33,781,094.69/6,659.67
  6. Step 6: Final answer
    x = 5,072.49

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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.