Home / 5,087.76-7,021.03-2,849.63

Finding the Fourth Proportional to 5,087.76, 7,021.03 and 2,849.63

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Solution

The fourth proportional to 5,087.76, 7,021.03 and 2,849.63 is: 3,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.76 : 7,021.03 = 2,849.63 : x
  2. Step 2: Convert to fraction form
    5,087.76/7,021.03 = 2,849.63/x
  3. Step 3: Cross multiply
    5,087.76x = 7,021.03 × 2,849.63
  4. Step 4: Simplify right side
    5,087.76x = 20,007,340.33
  5. Step 5: Solve for x
    x = 20,007,340.33/5,087.76
  6. Step 6: Final answer
    x = 3,932.44

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1.5x scale

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.