Home / 4,077.64-6,143.87-3,688.07

Finding the Fourth Proportional to 4,077.64, 6,143.87 and 3,688.07

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Solution

The fourth proportional to 4,077.64, 6,143.87 and 3,688.07 is: 5,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.64 : 6,143.87 = 3,688.07 : x
  2. Step 2: Convert to fraction form
    4,077.64/6,143.87 = 3,688.07/x
  3. Step 3: Cross multiply
    4,077.64x = 6,143.87 × 3,688.07
  4. Step 4: Simplify right side
    4,077.64x = 22,659,033.38
  5. Step 5: Solve for x
    x = 22,659,033.38/4,077.64
  6. Step 6: Final answer
    x = 5,556.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.