Home / 4,087.35-6,131.07-1,165.64

Finding the Fourth Proportional to 4,087.35, 6,131.07 and 1,165.64

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Solution

The fourth proportional to 4,087.35, 6,131.07 and 1,165.64 is: 1,748.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.35 : 6,131.07 = 1,165.64 : x
  2. Step 2: Convert to fraction form
    4,087.35/6,131.07 = 1,165.64/x
  3. Step 3: Cross multiply
    4,087.35x = 6,131.07 × 1,165.64
  4. Step 4: Simplify right side
    4,087.35x = 7,146,589.78
  5. Step 5: Solve for x
    x = 7,146,589.78/4,087.35
  6. Step 6: Final answer
    x = 1,748.47

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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.