Home / 5,027.87-6,938.46-2,903.78

Finding the Fourth Proportional to 5,027.87, 6,938.46 and 2,903.78

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Solution

The fourth proportional to 5,027.87, 6,938.46 and 2,903.78 is: 4,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.87 : 6,938.46 = 2,903.78 : x
  2. Step 2: Convert to fraction form
    5,027.87/6,938.46 = 2,903.78/x
  3. Step 3: Cross multiply
    5,027.87x = 6,938.46 × 2,903.78
  4. Step 4: Simplify right side
    5,027.87x = 20,147,778.72
  5. Step 5: Solve for x
    x = 20,147,778.72/5,027.87
  6. Step 6: Final answer
    x = 4,007.22

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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.