Home / 4,087.06-6,129.57-1,165.39

Finding the Fourth Proportional to 4,087.06, 6,129.57 and 1,165.39

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Solution

The fourth proportional to 4,087.06, 6,129.57 and 1,165.39 is: 1,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.06 : 6,129.57 = 1,165.39 : x
  2. Step 2: Convert to fraction form
    4,087.06/6,129.57 = 1,165.39/x
  3. Step 3: Cross multiply
    4,087.06x = 6,129.57 × 1,165.39
  4. Step 4: Simplify right side
    4,087.06x = 7,143,308.93
  5. Step 5: Solve for x
    x = 7,143,308.93/4,087.06
  6. Step 6: Final answer
    x = 1,747.79

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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.