Home / 4,109.63-6,164.49-1,187.93

Finding the Fourth Proportional to 4,109.63, 6,164.49 and 1,187.93

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Solution

The fourth proportional to 4,109.63, 6,164.49 and 1,187.93 is: 1,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.63 : 6,164.49 = 1,187.93 : x
  2. Step 2: Convert to fraction form
    4,109.63/6,164.49 = 1,187.93/x
  3. Step 3: Cross multiply
    4,109.63x = 6,164.49 × 1,187.93
  4. Step 4: Simplify right side
    4,109.63x = 7,322,998.02
  5. Step 5: Solve for x
    x = 7,322,998.02/4,109.63
  6. Step 6: Final answer
    x = 1,781.91

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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.