Home / 4,086.49-6,129.76-1,164.82

Finding the Fourth Proportional to 4,086.49, 6,129.76 and 1,164.82

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Solution

The fourth proportional to 4,086.49, 6,129.76 and 1,164.82 is: 1,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.49 : 6,129.76 = 1,164.82 : x
  2. Step 2: Convert to fraction form
    4,086.49/6,129.76 = 1,164.82/x
  3. Step 3: Cross multiply
    4,086.49x = 6,129.76 × 1,164.82
  4. Step 4: Simplify right side
    4,086.49x = 7,140,067.04
  5. Step 5: Solve for x
    x = 7,140,067.04/4,086.49
  6. Step 6: Final answer
    x = 1,747.24

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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.