Home / 4,493.21-6,739.88-1,206.05

Finding the Fourth Proportional to 4,493.21, 6,739.88 and 1,206.05

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Solution

The fourth proportional to 4,493.21, 6,739.88 and 1,206.05 is: 1,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,493.21 : 6,739.88 = 1,206.05 : x
  2. Step 2: Convert to fraction form
    4,493.21/6,739.88 = 1,206.05/x
  3. Step 3: Cross multiply
    4,493.21x = 6,739.88 × 1,206.05
  4. Step 4: Simplify right side
    4,493.21x = 8,128,592.54
  5. Step 5: Solve for x
    x = 8,128,592.54/4,493.21
  6. Step 6: Final answer
    x = 1,809.09

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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.