Home / 4,256.34-6,388.45-2,177.82

Finding the Fourth Proportional to 4,256.34, 6,388.45 and 2,177.82

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Solution

The fourth proportional to 4,256.34, 6,388.45 and 2,177.82 is: 3,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.34 : 6,388.45 = 2,177.82 : x
  2. Step 2: Convert to fraction form
    4,256.34/6,388.45 = 2,177.82/x
  3. Step 3: Cross multiply
    4,256.34x = 6,388.45 × 2,177.82
  4. Step 4: Simplify right side
    4,256.34x = 13,912,894.18
  5. Step 5: Solve for x
    x = 13,912,894.18/4,256.34
  6. Step 6: Final answer
    x = 3,268.75

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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.