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Finding the Fourth Proportional to 4,813.19, 7,220.19 and 1,350.44

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Solution

The fourth proportional to 4,813.19, 7,220.19 and 1,350.44 is: 2,025.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.19 : 7,220.19 = 1,350.44 : x
  2. Step 2: Convert to fraction form
    4,813.19/7,220.19 = 1,350.44/x
  3. Step 3: Cross multiply
    4,813.19x = 7,220.19 × 1,350.44
  4. Step 4: Simplify right side
    4,813.19x = 9,750,433.38
  5. Step 5: Solve for x
    x = 9,750,433.38/4,813.19
  6. Step 6: Final answer
    x = 2,025.77

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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.