Home / 4,145.35-6,220.76-1,954.30

Finding the Fourth Proportional to 4,145.35, 6,220.76 and 1,954.30

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Solution

The fourth proportional to 4,145.35, 6,220.76 and 1,954.30 is: 2,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.35 : 6,220.76 = 1,954.30 : x
  2. Step 2: Convert to fraction form
    4,145.35/6,220.76 = 1,954.30/x
  3. Step 3: Cross multiply
    4,145.35x = 6,220.76 × 1,954.30
  4. Step 4: Simplify right side
    4,145.35x = 12,157,205.94
  5. Step 5: Solve for x
    x = 12,157,205.94/4,145.35
  6. Step 6: Final answer
    x = 2,932.74

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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.