Home / 8,513.79-12,753.27-4,127.64

Finding the Fourth Proportional to 8,513.79, 12,753.27 and 4,127.64

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Solution

The fourth proportional to 8,513.79, 12,753.27 and 4,127.64 is: 6,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,513.79 : 12,753.27 = 4,127.64 : x
  2. Step 2: Convert to fraction form
    8,513.79/12,753.27 = 4,127.64/x
  3. Step 3: Cross multiply
    8,513.79x = 12,753.27 × 4,127.64
  4. Step 4: Simplify right side
    8,513.79x = 52,640,907.38
  5. Step 5: Solve for x
    x = 52,640,907.38/8,513.79
  6. Step 6: Final answer
    x = 6,183.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.