Home / 4,091.52-5,638.62-2,910.54

Finding the Fourth Proportional to 4,091.52, 5,638.62 and 2,910.54

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Solution

The fourth proportional to 4,091.52, 5,638.62 and 2,910.54 is: 4,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.52 : 5,638.62 = 2,910.54 : x
  2. Step 2: Convert to fraction form
    4,091.52/5,638.62 = 2,910.54/x
  3. Step 3: Cross multiply
    4,091.52x = 5,638.62 × 2,910.54
  4. Step 4: Simplify right side
    4,091.52x = 16,411,429.05
  5. Step 5: Solve for x
    x = 16,411,429.05/4,091.52
  6. Step 6: Final answer
    x = 4,011.08

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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.