Home / 6,919.17-10,380.09-2,240.34

Finding the Fourth Proportional to 6,919.17, 10,380.09 and 2,240.34

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Solution

The fourth proportional to 6,919.17, 10,380.09 and 2,240.34 is: 3,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.17 : 10,380.09 = 2,240.34 : x
  2. Step 2: Convert to fraction form
    6,919.17/10,380.09 = 2,240.34/x
  3. Step 3: Cross multiply
    6,919.17x = 10,380.09 × 2,240.34
  4. Step 4: Simplify right side
    6,919.17x = 23,254,930.83
  5. Step 5: Solve for x
    x = 23,254,930.83/6,919.17
  6. Step 6: Final answer
    x = 3,360.94

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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.