Home / 4,612.05-6,911.99-1,687.54

Finding the Fourth Proportional to 4,612.05, 6,911.99 and 1,687.54

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Solution

The fourth proportional to 4,612.05, 6,911.99 and 1,687.54 is: 2,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,612.05 : 6,911.99 = 1,687.54 : x
  2. Step 2: Convert to fraction form
    4,612.05/6,911.99 = 1,687.54/x
  3. Step 3: Cross multiply
    4,612.05x = 6,911.99 × 1,687.54
  4. Step 4: Simplify right side
    4,612.05x = 11,664,259.60
  5. Step 5: Solve for x
    x = 11,664,259.60/4,612.05
  6. Step 6: Final answer
    x = 2,529.08

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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.