Home / 4,276.70-6,403.47-2,220.38

Finding the Fourth Proportional to 4,276.70, 6,403.47 and 2,220.38

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Solution

The fourth proportional to 4,276.70, 6,403.47 and 2,220.38 is: 3,324.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.70 : 6,403.47 = 2,220.38 : x
  2. Step 2: Convert to fraction form
    4,276.70/6,403.47 = 2,220.38/x
  3. Step 3: Cross multiply
    4,276.70x = 6,403.47 × 2,220.38
  4. Step 4: Simplify right side
    4,276.70x = 14,218,136.72
  5. Step 5: Solve for x
    x = 14,218,136.72/4,276.70
  6. Step 6: Final answer
    x = 3,324.56

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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.