Home / 6,906.45-10,360.03-1,976.83

Finding the Fourth Proportional to 6,906.45, 10,360.03 and 1,976.83

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Solution

The fourth proportional to 6,906.45, 10,360.03 and 1,976.83 is: 2,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,906.45 : 10,360.03 = 1,976.83 : x
  2. Step 2: Convert to fraction form
    6,906.45/10,360.03 = 1,976.83/x
  3. Step 3: Cross multiply
    6,906.45x = 10,360.03 × 1,976.83
  4. Step 4: Simplify right side
    6,906.45x = 20,480,018.10
  5. Step 5: Solve for x
    x = 20,480,018.10/6,906.45
  6. Step 6: Final answer
    x = 2,965.35

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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.