Home / 6,145.33-9,219.02-1,928.86

Finding the Fourth Proportional to 6,145.33, 9,219.02 and 1,928.86

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Solution

The fourth proportional to 6,145.33, 9,219.02 and 1,928.86 is: 2,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.33 : 9,219.02 = 1,928.86 : x
  2. Step 2: Convert to fraction form
    6,145.33/9,219.02 = 1,928.86/x
  3. Step 3: Cross multiply
    6,145.33x = 9,219.02 × 1,928.86
  4. Step 4: Simplify right side
    6,145.33x = 17,782,198.92
  5. Step 5: Solve for x
    x = 17,782,198.92/6,145.33
  6. Step 6: Final answer
    x = 2,893.61

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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.