Home / 5,781.37-8,664.75-4,819.09

Finding the Fourth Proportional to 5,781.37, 8,664.75 and 4,819.09

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Solution

The fourth proportional to 5,781.37, 8,664.75 and 4,819.09 is: 7,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.37 : 8,664.75 = 4,819.09 : x
  2. Step 2: Convert to fraction form
    5,781.37/8,664.75 = 4,819.09/x
  3. Step 3: Cross multiply
    5,781.37x = 8,664.75 × 4,819.09
  4. Step 4: Simplify right side
    5,781.37x = 41,756,188.42
  5. Step 5: Solve for x
    x = 41,756,188.42/5,781.37
  6. Step 6: Final answer
    x = 7,222.55

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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.