Home / 6,731.38-9,288.54-4,078.18

Finding the Fourth Proportional to 6,731.38, 9,288.54 and 4,078.18

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Solution

The fourth proportional to 6,731.38, 9,288.54 and 4,078.18 is: 5,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.38 : 9,288.54 = 4,078.18 : x
  2. Step 2: Convert to fraction form
    6,731.38/9,288.54 = 4,078.18/x
  3. Step 3: Cross multiply
    6,731.38x = 9,288.54 × 4,078.18
  4. Step 4: Simplify right side
    6,731.38x = 37,880,338.06
  5. Step 5: Solve for x
    x = 37,880,338.06/6,731.38
  6. Step 6: Final answer
    x = 5,627.43

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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.