Home / 6,919.20-10,366.56-3,627.36

Finding the Fourth Proportional to 6,919.20, 10,366.56 and 3,627.36

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Solution

The fourth proportional to 6,919.20, 10,366.56 and 3,627.36 is: 5,434.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.20 : 10,366.56 = 3,627.36 : x
  2. Step 2: Convert to fraction form
    6,919.20/10,366.56 = 3,627.36/x
  3. Step 3: Cross multiply
    6,919.20x = 10,366.56 × 3,627.36
  4. Step 4: Simplify right side
    6,919.20x = 37,603,245.08
  5. Step 5: Solve for x
    x = 37,603,245.08/6,919.20
  6. Step 6: Final answer
    x = 5,434.62

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1.5x scale

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.