Home / 4,487-6,194.96-2,917.40

Finding the Fourth Proportional to 4,487, 6,194.96 and 2,917.40

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Solution

The fourth proportional to 4,487, 6,194.96 and 2,917.40 is: 4,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487 : 6,194.96 = 2,917.40 : x
  2. Step 2: Convert to fraction form
    4,487/6,194.96 = 2,917.40/x
  3. Step 3: Cross multiply
    4,487x = 6,194.96 × 2,917.40
  4. Step 4: Simplify right side
    4,487x = 18,073,176.30
  5. Step 5: Solve for x
    x = 18,073,176.30/4,487
  6. Step 6: Final answer
    x = 4,027.90

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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.