Home / 5,012.28-6,917.78-2,917.62

Finding the Fourth Proportional to 5,012.28, 6,917.78 and 2,917.62

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Solution

The fourth proportional to 5,012.28, 6,917.78 and 2,917.62 is: 4,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.28 : 6,917.78 = 2,917.62 : x
  2. Step 2: Convert to fraction form
    5,012.28/6,917.78 = 2,917.62/x
  3. Step 3: Cross multiply
    5,012.28x = 6,917.78 × 2,917.62
  4. Step 4: Simplify right side
    5,012.28x = 20,183,453.28
  5. Step 5: Solve for x
    x = 20,183,453.28/5,012.28
  6. Step 6: Final answer
    x = 4,026.80

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1.5x scale

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.