Home / 4,403.20-6,601.28-2,212.80

Finding the Fourth Proportional to 4,403.20, 6,601.28 and 2,212.80

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Solution

The fourth proportional to 4,403.20, 6,601.28 and 2,212.80 is: 3,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403.20 : 6,601.28 = 2,212.80 : x
  2. Step 2: Convert to fraction form
    4,403.20/6,601.28 = 2,212.80/x
  3. Step 3: Cross multiply
    4,403.20x = 6,601.28 × 2,212.80
  4. Step 4: Simplify right side
    4,403.20x = 14,607,312.38
  5. Step 5: Solve for x
    x = 14,607,312.38/4,403.20
  6. Step 6: Final answer
    x = 3,317.43

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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.