Home / 4,014.38-5,541.39-2,687.60

Finding the Fourth Proportional to 4,014.38, 5,541.39 and 2,687.60

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Solution

The fourth proportional to 4,014.38, 5,541.39 and 2,687.60 is: 3,709.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,014.38 : 5,541.39 = 2,687.60 : x
  2. Step 2: Convert to fraction form
    4,014.38/5,541.39 = 2,687.60/x
  3. Step 3: Cross multiply
    4,014.38x = 5,541.39 × 2,687.60
  4. Step 4: Simplify right side
    4,014.38x = 14,893,039.76
  5. Step 5: Solve for x
    x = 14,893,039.76/4,014.38
  6. Step 6: Final answer
    x = 3,709.92

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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.