Home / 4,087.58-6,131.60-1,165.65

Finding the Fourth Proportional to 4,087.58, 6,131.60 and 1,165.65

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Solution

The fourth proportional to 4,087.58, 6,131.60 and 1,165.65 is: 1,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.58 : 6,131.60 = 1,165.65 : x
  2. Step 2: Convert to fraction form
    4,087.58/6,131.60 = 1,165.65/x
  3. Step 3: Cross multiply
    4,087.58x = 6,131.60 × 1,165.65
  4. Step 4: Simplify right side
    4,087.58x = 7,147,293.71
  5. Step 5: Solve for x
    x = 7,147,293.71/4,087.58
  6. Step 6: Final answer
    x = 1,748.54

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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.