Home / 4,110-6,164.24-1,187.60

Finding the Fourth Proportional to 4,110, 6,164.24 and 1,187.60

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Solution

The fourth proportional to 4,110, 6,164.24 and 1,187.60 is: 1,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,110 : 6,164.24 = 1,187.60 : x
  2. Step 2: Convert to fraction form
    4,110/6,164.24 = 1,187.60/x
  3. Step 3: Cross multiply
    4,110x = 6,164.24 × 1,187.60
  4. Step 4: Simplify right side
    4,110x = 7,320,651.42
  5. Step 5: Solve for x
    x = 7,320,651.42/4,110
  6. Step 6: Final answer
    x = 1,781.18

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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.