Home / 4,219.10-6,328.64-1,099.09

Finding the Fourth Proportional to 4,219.10, 6,328.64 and 1,099.09

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Solution

The fourth proportional to 4,219.10, 6,328.64 and 1,099.09 is: 1,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.10 : 6,328.64 = 1,099.09 : x
  2. Step 2: Convert to fraction form
    4,219.10/6,328.64 = 1,099.09/x
  3. Step 3: Cross multiply
    4,219.10x = 6,328.64 × 1,099.09
  4. Step 4: Simplify right side
    4,219.10x = 6,955,723.62
  5. Step 5: Solve for x
    x = 6,955,723.62/4,219.10
  6. Step 6: Final answer
    x = 1,648.63

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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.