Home / 3,893.33-5,370.40-2,774.63

Finding the Fourth Proportional to 3,893.33, 5,370.40 and 2,774.63

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Solution

The fourth proportional to 3,893.33, 5,370.40 and 2,774.63 is: 3,827.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,893.33 : 5,370.40 = 2,774.63 : x
  2. Step 2: Convert to fraction form
    3,893.33/5,370.40 = 2,774.63/x
  3. Step 3: Cross multiply
    3,893.33x = 5,370.40 × 2,774.63
  4. Step 4: Simplify right side
    3,893.33x = 14,900,872.95
  5. Step 5: Solve for x
    x = 14,900,872.95/3,893.33
  6. Step 6: Final answer
    x = 3,827.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.