Home / 4,255.41-6,381.69-1,789.77

Finding the Fourth Proportional to 4,255.41, 6,381.69 and 1,789.77

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Solution

The fourth proportional to 4,255.41, 6,381.69 and 1,789.77 is: 2,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.41 : 6,381.69 = 1,789.77 : x
  2. Step 2: Convert to fraction form
    4,255.41/6,381.69 = 1,789.77/x
  3. Step 3: Cross multiply
    4,255.41x = 6,381.69 × 1,789.77
  4. Step 4: Simplify right side
    4,255.41x = 11,421,725.40
  5. Step 5: Solve for x
    x = 11,421,725.40/4,255.41
  6. Step 6: Final answer
    x = 2,684.05

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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.