Home / 4,309.05-6,466.86-2,919.09

Finding the Fourth Proportional to 4,309.05, 6,466.86 and 2,919.09

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Solution

The fourth proportional to 4,309.05, 6,466.86 and 2,919.09 is: 4,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.05 : 6,466.86 = 2,919.09 : x
  2. Step 2: Convert to fraction form
    4,309.05/6,466.86 = 2,919.09/x
  3. Step 3: Cross multiply
    4,309.05x = 6,466.86 × 2,919.09
  4. Step 4: Simplify right side
    4,309.05x = 18,877,346.36
  5. Step 5: Solve for x
    x = 18,877,346.36/4,309.05
  6. Step 6: Final answer
    x = 4,380.86

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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.