Home / 4,945.05-7,418.97-2,025.45

Finding the Fourth Proportional to 4,945.05, 7,418.97 and 2,025.45

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Solution

The fourth proportional to 4,945.05, 7,418.97 and 2,025.45 is: 3,038.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.05 : 7,418.97 = 2,025.45 : x
  2. Step 2: Convert to fraction form
    4,945.05/7,418.97 = 2,025.45/x
  3. Step 3: Cross multiply
    4,945.05x = 7,418.97 × 2,025.45
  4. Step 4: Simplify right side
    4,945.05x = 15,026,752.79
  5. Step 5: Solve for x
    x = 15,026,752.79/4,945.05
  6. Step 6: Final answer
    x = 3,038.75

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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.