Home / 6,771.28-10,155.99-2,388.16

Finding the Fourth Proportional to 6,771.28, 10,155.99 and 2,388.16

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Solution

The fourth proportional to 6,771.28, 10,155.99 and 2,388.16 is: 3,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,771.28 : 10,155.99 = 2,388.16 : x
  2. Step 2: Convert to fraction form
    6,771.28/10,155.99 = 2,388.16/x
  3. Step 3: Cross multiply
    6,771.28x = 10,155.99 × 2,388.16
  4. Step 4: Simplify right side
    6,771.28x = 24,254,078.30
  5. Step 5: Solve for x
    x = 24,254,078.30/6,771.28
  6. Step 6: Final answer
    x = 3,581.91

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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.