Home / 6,231.60-9,349.56-5,186.70

Finding the Fourth Proportional to 6,231.60, 9,349.56 and 5,186.70

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Solution

The fourth proportional to 6,231.60, 9,349.56 and 5,186.70 is: 7,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.60 : 9,349.56 = 5,186.70 : x
  2. Step 2: Convert to fraction form
    6,231.60/9,349.56 = 5,186.70/x
  3. Step 3: Cross multiply
    6,231.60x = 9,349.56 × 5,186.70
  4. Step 4: Simplify right side
    6,231.60x = 48,493,362.85
  5. Step 5: Solve for x
    x = 48,493,362.85/6,231.60
  6. Step 6: Final answer
    x = 7,781.85

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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.