Home / 5,087.50-7,020.66-2,849.35

Finding the Fourth Proportional to 5,087.50, 7,020.66 and 2,849.35

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Solution

The fourth proportional to 5,087.50, 7,020.66 and 2,849.35 is: 3,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.50 : 7,020.66 = 2,849.35 : x
  2. Step 2: Convert to fraction form
    5,087.50/7,020.66 = 2,849.35/x
  3. Step 3: Cross multiply
    5,087.50x = 7,020.66 × 2,849.35
  4. Step 4: Simplify right side
    5,087.50x = 20,004,317.57
  5. Step 5: Solve for x
    x = 20,004,317.57/5,087.50
  6. Step 6: Final answer
    x = 3,932.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.