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Finding the Fourth Proportional to 5,403.87, 8,106.89 and 2,283.89

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Solution

The fourth proportional to 5,403.87, 8,106.89 and 2,283.89 is: 3,426.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.87 : 8,106.89 = 2,283.89 : x
  2. Step 2: Convert to fraction form
    5,403.87/8,106.89 = 2,283.89/x
  3. Step 3: Cross multiply
    5,403.87x = 8,106.89 × 2,283.89
  4. Step 4: Simplify right side
    5,403.87x = 18,515,193.05
  5. Step 5: Solve for x
    x = 18,515,193.05/5,403.87
  6. Step 6: Final answer
    x = 3,426.28

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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.