Home / 4,333.06-6,499.21-1,212.80

Finding the Fourth Proportional to 4,333.06, 6,499.21 and 1,212.80

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Solution

The fourth proportional to 4,333.06, 6,499.21 and 1,212.80 is: 1,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,333.06 : 6,499.21 = 1,212.80 : x
  2. Step 2: Convert to fraction form
    4,333.06/6,499.21 = 1,212.80/x
  3. Step 3: Cross multiply
    4,333.06x = 6,499.21 × 1,212.80
  4. Step 4: Simplify right side
    4,333.06x = 7,882,241.89
  5. Step 5: Solve for x
    x = 7,882,241.89/4,333.06
  6. Step 6: Final answer
    x = 1,819.09

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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.