Home / 4,255.47-6,383.79-2,176.56

Finding the Fourth Proportional to 4,255.47, 6,383.79 and 2,176.56

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Solution

The fourth proportional to 4,255.47, 6,383.79 and 2,176.56 is: 3,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.47 : 6,383.79 = 2,176.56 : x
  2. Step 2: Convert to fraction form
    4,255.47/6,383.79 = 2,176.56/x
  3. Step 3: Cross multiply
    4,255.47x = 6,383.79 × 2,176.56
  4. Step 4: Simplify right side
    4,255.47x = 13,894,701.96
  5. Step 5: Solve for x
    x = 13,894,701.96/4,255.47
  6. Step 6: Final answer
    x = 3,265.14

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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.