Home / 4,939.34-6,815.18-2,949.56

Finding the Fourth Proportional to 4,939.34, 6,815.18 and 2,949.56

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Solution

The fourth proportional to 4,939.34, 6,815.18 and 2,949.56 is: 4,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.34 : 6,815.18 = 2,949.56 : x
  2. Step 2: Convert to fraction form
    4,939.34/6,815.18 = 2,949.56/x
  3. Step 3: Cross multiply
    4,939.34x = 6,815.18 × 2,949.56
  4. Step 4: Simplify right side
    4,939.34x = 20,101,782.32
  5. Step 5: Solve for x
    x = 20,101,782.32/4,939.34
  6. Step 6: Final answer
    x = 4,069.73

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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.