Home / 4,685.72-7,027.37-1,874.44

Finding the Fourth Proportional to 4,685.72, 7,027.37 and 1,874.44

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Solution

The fourth proportional to 4,685.72, 7,027.37 and 1,874.44 is: 2,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685.72 : 7,027.37 = 1,874.44 : x
  2. Step 2: Convert to fraction form
    4,685.72/7,027.37 = 1,874.44/x
  3. Step 3: Cross multiply
    4,685.72x = 7,027.37 × 1,874.44
  4. Step 4: Simplify right side
    4,685.72x = 13,172,392.50
  5. Step 5: Solve for x
    x = 13,172,392.50/4,685.72
  6. Step 6: Final answer
    x = 2,811.18

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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.