Home / 4,939.38-6,812.51-2,949.51

Finding the Fourth Proportional to 4,939.38, 6,812.51 and 2,949.51

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Solution

The fourth proportional to 4,939.38, 6,812.51 and 2,949.51 is: 4,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.38 : 6,812.51 = 2,949.51 : x
  2. Step 2: Convert to fraction form
    4,939.38/6,812.51 = 2,949.51/x
  3. Step 3: Cross multiply
    4,939.38x = 6,812.51 × 2,949.51
  4. Step 4: Simplify right side
    4,939.38x = 20,093,577.17
  5. Step 5: Solve for x
    x = 20,093,577.17/4,939.38
  6. Step 6: Final answer
    x = 4,068.04

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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.