Home / 4,086.36-6,128.73-1,164.96

Finding the Fourth Proportional to 4,086.36, 6,128.73 and 1,164.96

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Solution

The fourth proportional to 4,086.36, 6,128.73 and 1,164.96 is: 1,747.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.36 : 6,128.73 = 1,164.96 : x
  2. Step 2: Convert to fraction form
    4,086.36/6,128.73 = 1,164.96/x
  3. Step 3: Cross multiply
    4,086.36x = 6,128.73 × 1,164.96
  4. Step 4: Simplify right side
    4,086.36x = 7,139,725.30
  5. Step 5: Solve for x
    x = 7,139,725.30/4,086.36
  6. Step 6: Final answer
    x = 1,747.21

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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.