Home / 8,155.43-12,228.20-4,452.51

Finding the Fourth Proportional to 8,155.43, 12,228.20 and 4,452.51

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Solution

The fourth proportional to 8,155.43, 12,228.20 and 4,452.51 is: 6,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.43 : 12,228.20 = 4,452.51 : x
  2. Step 2: Convert to fraction form
    8,155.43/12,228.20 = 4,452.51/x
  3. Step 3: Cross multiply
    8,155.43x = 12,228.20 × 4,452.51
  4. Step 4: Simplify right side
    8,155.43x = 54,446,182.78
  5. Step 5: Solve for x
    x = 54,446,182.78/8,155.43
  6. Step 6: Final answer
    x = 6,676.07

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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.