Home / 6,919.30-10,380.94-3,410.36

Finding the Fourth Proportional to 6,919.30, 10,380.94 and 3,410.36

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Solution

The fourth proportional to 6,919.30, 10,380.94 and 3,410.36 is: 5,116.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.30 : 10,380.94 = 3,410.36 : x
  2. Step 2: Convert to fraction form
    6,919.30/10,380.94 = 3,410.36/x
  3. Step 3: Cross multiply
    6,919.30x = 10,380.94 × 3,410.36
  4. Step 4: Simplify right side
    6,919.30x = 35,402,742.54
  5. Step 5: Solve for x
    x = 35,402,742.54/6,919.30
  6. Step 6: Final answer
    x = 5,116.52

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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.