Home / 4,908-6,771.60-2,917.56

Finding the Fourth Proportional to 4,908, 6,771.60 and 2,917.56

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Solution

The fourth proportional to 4,908, 6,771.60 and 2,917.56 is: 4,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908 : 6,771.60 = 2,917.56 : x
  2. Step 2: Convert to fraction form
    4,908/6,771.60 = 2,917.56/x
  3. Step 3: Cross multiply
    4,908x = 6,771.60 × 2,917.56
  4. Step 4: Simplify right side
    4,908x = 19,756,549.30
  5. Step 5: Solve for x
    x = 19,756,549.30/4,908
  6. Step 6: Final answer
    x = 4,025.38

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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.