Home / 4,120.13-6,182.55-4,086.69

Finding the Fourth Proportional to 4,120.13, 6,182.55 and 4,086.69

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Solution

The fourth proportional to 4,120.13, 6,182.55 and 4,086.69 is: 6,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.13 : 6,182.55 = 4,086.69 : x
  2. Step 2: Convert to fraction form
    4,120.13/6,182.55 = 4,086.69/x
  3. Step 3: Cross multiply
    4,120.13x = 6,182.55 × 4,086.69
  4. Step 4: Simplify right side
    4,120.13x = 25,266,165.26
  5. Step 5: Solve for x
    x = 25,266,165.26/4,120.13
  6. Step 6: Final answer
    x = 6,132.37

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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.