Home / 4,455.62-6,149.33-2,688.22

Finding the Fourth Proportional to 4,455.62, 6,149.33 and 2,688.22

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Solution

The fourth proportional to 4,455.62, 6,149.33 and 2,688.22 is: 3,710.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.62 : 6,149.33 = 2,688.22 : x
  2. Step 2: Convert to fraction form
    4,455.62/6,149.33 = 2,688.22/x
  3. Step 3: Cross multiply
    4,455.62x = 6,149.33 × 2,688.22
  4. Step 4: Simplify right side
    4,455.62x = 16,530,751.89
  5. Step 5: Solve for x
    x = 16,530,751.89/4,455.62
  6. Step 6: Final answer
    x = 3,710.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.