Home / 4,087.79-6,131.67-1,009.79

Finding the Fourth Proportional to 4,087.79, 6,131.67 and 1,009.79

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Solution

The fourth proportional to 4,087.79, 6,131.67 and 1,009.79 is: 1,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.79 : 6,131.67 = 1,009.79 : x
  2. Step 2: Convert to fraction form
    4,087.79/6,131.67 = 1,009.79/x
  3. Step 3: Cross multiply
    4,087.79x = 6,131.67 × 1,009.79
  4. Step 4: Simplify right side
    4,087.79x = 6,191,668.39
  5. Step 5: Solve for x
    x = 6,191,668.39/4,087.79
  6. Step 6: Final answer
    x = 1,514.68

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Similar ratio
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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.