Home / 6,173.20-9,270.60-5,978.80

Finding the Fourth Proportional to 6,173.20, 9,270.60 and 5,978.80

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Solution

The fourth proportional to 6,173.20, 9,270.60 and 5,978.80 is: 8,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,173.20 : 9,270.60 = 5,978.80 : x
  2. Step 2: Convert to fraction form
    6,173.20/9,270.60 = 5,978.80/x
  3. Step 3: Cross multiply
    6,173.20x = 9,270.60 × 5,978.80
  4. Step 4: Simplify right side
    6,173.20x = 55,427,063.28
  5. Step 5: Solve for x
    x = 55,427,063.28/6,173.20
  6. Step 6: Final answer
    x = 8,978.66

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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.