Home / 5,612.22-8,418.33-1,912.59

Finding the Fourth Proportional to 5,612.22, 8,418.33 and 1,912.59

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Solution

The fourth proportional to 5,612.22, 8,418.33 and 1,912.59 is: 2,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.22 : 8,418.33 = 1,912.59 : x
  2. Step 2: Convert to fraction form
    5,612.22/8,418.33 = 1,912.59/x
  3. Step 3: Cross multiply
    5,612.22x = 8,418.33 × 1,912.59
  4. Step 4: Simplify right side
    5,612.22x = 16,100,813.77
  5. Step 5: Solve for x
    x = 16,100,813.77/5,612.22
  6. Step 6: Final answer
    x = 2,868.89

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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.