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Finding the Fourth Proportional to 5,927.58, 8,893.76 and 2,638.43

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Solution

The fourth proportional to 5,927.58, 8,893.76 and 2,638.43 is: 3,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,927.58 : 8,893.76 = 2,638.43 : x
  2. Step 2: Convert to fraction form
    5,927.58/8,893.76 = 2,638.43/x
  3. Step 3: Cross multiply
    5,927.58x = 8,893.76 × 2,638.43
  4. Step 4: Simplify right side
    5,927.58x = 23,465,525.32
  5. Step 5: Solve for x
    x = 23,465,525.32/5,927.58
  6. Step 6: Final answer
    x = 3,958.70

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1.5x scale

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.