Home / 5,028.86-7,543.83-2,107.46

Finding the Fourth Proportional to 5,028.86, 7,543.83 and 2,107.46

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Solution

The fourth proportional to 5,028.86, 7,543.83 and 2,107.46 is: 3,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.86 : 7,543.83 = 2,107.46 : x
  2. Step 2: Convert to fraction form
    5,028.86/7,543.83 = 2,107.46/x
  3. Step 3: Cross multiply
    5,028.86x = 7,543.83 × 2,107.46
  4. Step 4: Simplify right side
    5,028.86x = 15,898,319.97
  5. Step 5: Solve for x
    x = 15,898,319.97/5,028.86
  6. Step 6: Final answer
    x = 3,161.42

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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.