Home / 5,612.18-8,418.33-3,676.70

Finding the Fourth Proportional to 5,612.18, 8,418.33 and 3,676.70

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Solution

The fourth proportional to 5,612.18, 8,418.33 and 3,676.70 is: 5,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.18 : 8,418.33 = 3,676.70 : x
  2. Step 2: Convert to fraction form
    5,612.18/8,418.33 = 3,676.70/x
  3. Step 3: Cross multiply
    5,612.18x = 8,418.33 × 3,676.70
  4. Step 4: Simplify right side
    5,612.18x = 30,951,673.91
  5. Step 5: Solve for x
    x = 30,951,673.91/5,612.18
  6. Step 6: Final answer
    x = 5,515.09

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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.