Home / 4,220.29-6,330.44-2,284.80

Finding the Fourth Proportional to 4,220.29, 6,330.44 and 2,284.80

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Solution

The fourth proportional to 4,220.29, 6,330.44 and 2,284.80 is: 3,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.29 : 6,330.44 = 2,284.80 : x
  2. Step 2: Convert to fraction form
    4,220.29/6,330.44 = 2,284.80/x
  3. Step 3: Cross multiply
    4,220.29x = 6,330.44 × 2,284.80
  4. Step 4: Simplify right side
    4,220.29x = 14,463,789.31
  5. Step 5: Solve for x
    x = 14,463,789.31/4,220.29
  6. Step 6: Final answer
    x = 3,427.20

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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.