Home / 4,220.28-6,328.26-2,247.03

Finding the Fourth Proportional to 4,220.28, 6,328.26 and 2,247.03

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Solution

The fourth proportional to 4,220.28, 6,328.26 and 2,247.03 is: 3,369.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.28 : 6,328.26 = 2,247.03 : x
  2. Step 2: Convert to fraction form
    4,220.28/6,328.26 = 2,247.03/x
  3. Step 3: Cross multiply
    4,220.28x = 6,328.26 × 2,247.03
  4. Step 4: Simplify right side
    4,220.28x = 14,219,790.07
  5. Step 5: Solve for x
    x = 14,219,790.07/4,220.28
  6. Step 6: Final answer
    x = 3,369.39

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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.