Home / 6,187.11-8,539.45-3,670.61

Finding the Fourth Proportional to 6,187.11, 8,539.45 and 3,670.61

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Solution

The fourth proportional to 6,187.11, 8,539.45 and 3,670.61 is: 5,066.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.11 : 8,539.45 = 3,670.61 : x
  2. Step 2: Convert to fraction form
    6,187.11/8,539.45 = 3,670.61/x
  3. Step 3: Cross multiply
    6,187.11x = 8,539.45 × 3,670.61
  4. Step 4: Simplify right side
    6,187.11x = 31,345,002.74
  5. Step 5: Solve for x
    x = 31,345,002.74/6,187.11
  6. Step 6: Final answer
    x = 5,066.18

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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.