Home / 5,013.38-6,918.40-2,744.74

Finding the Fourth Proportional to 5,013.38, 6,918.40 and 2,744.74

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Solution

The fourth proportional to 5,013.38, 6,918.40 and 2,744.74 is: 3,787.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.38 : 6,918.40 = 2,744.74 : x
  2. Step 2: Convert to fraction form
    5,013.38/6,918.40 = 2,744.74/x
  3. Step 3: Cross multiply
    5,013.38x = 6,918.40 × 2,744.74
  4. Step 4: Simplify right side
    5,013.38x = 18,989,209.22
  5. Step 5: Solve for x
    x = 18,989,209.22/5,013.38
  6. Step 6: Final answer
    x = 3,787.71

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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.