Home / 6,187.40-8,538.62-3,670.73

Finding the Fourth Proportional to 6,187.40, 8,538.62 and 3,670.73

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Solution

The fourth proportional to 6,187.40, 8,538.62 and 3,670.73 is: 5,065.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.40 : 8,538.62 = 3,670.73 : x
  2. Step 2: Convert to fraction form
    6,187.40/8,538.62 = 3,670.73/x
  3. Step 3: Cross multiply
    6,187.40x = 8,538.62 × 3,670.73
  4. Step 4: Simplify right side
    6,187.40x = 31,342,968.59
  5. Step 5: Solve for x
    x = 31,342,968.59/6,187.40
  6. Step 6: Final answer
    x = 5,065.61

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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.