Home / 8,727.63-13,091.24-2,153.87

Finding the Fourth Proportional to 8,727.63, 13,091.24 and 2,153.87

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Solution

The fourth proportional to 8,727.63, 13,091.24 and 2,153.87 is: 3,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.63 : 13,091.24 = 2,153.87 : x
  2. Step 2: Convert to fraction form
    8,727.63/13,091.24 = 2,153.87/x
  3. Step 3: Cross multiply
    8,727.63x = 13,091.24 × 2,153.87
  4. Step 4: Simplify right side
    8,727.63x = 28,196,829.10
  5. Step 5: Solve for x
    x = 28,196,829.10/8,727.63
  6. Step 6: Final answer
    x = 3,230.75

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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.