Home / 4,939.20-7,410.20-2,338.56

Finding the Fourth Proportional to 4,939.20, 7,410.20 and 2,338.56

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Solution

The fourth proportional to 4,939.20, 7,410.20 and 2,338.56 is: 3,508.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.20 : 7,410.20 = 2,338.56 : x
  2. Step 2: Convert to fraction form
    4,939.20/7,410.20 = 2,338.56/x
  3. Step 3: Cross multiply
    4,939.20x = 7,410.20 × 2,338.56
  4. Step 4: Simplify right side
    4,939.20x = 17,329,197.31
  5. Step 5: Solve for x
    x = 17,329,197.31/4,939.20
  6. Step 6: Final answer
    x = 3,508.50

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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.