Home / 5,057.75-7,581.48-1,936.95

Finding the Fourth Proportional to 5,057.75, 7,581.48 and 1,936.95

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Solution

The fourth proportional to 5,057.75, 7,581.48 and 1,936.95 is: 2,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.75 : 7,581.48 = 1,936.95 : x
  2. Step 2: Convert to fraction form
    5,057.75/7,581.48 = 1,936.95/x
  3. Step 3: Cross multiply
    5,057.75x = 7,581.48 × 1,936.95
  4. Step 4: Simplify right side
    5,057.75x = 14,684,947.69
  5. Step 5: Solve for x
    x = 14,684,947.69/5,057.75
  6. Step 6: Final answer
    x = 2,903.46

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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.