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Finding the Fourth Proportional to 5,583.58, 8,374.78 and 2,809.12

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Solution

The fourth proportional to 5,583.58, 8,374.78 and 2,809.12 is: 4,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.58 : 8,374.78 = 2,809.12 : x
  2. Step 2: Convert to fraction form
    5,583.58/8,374.78 = 2,809.12/x
  3. Step 3: Cross multiply
    5,583.58x = 8,374.78 × 2,809.12
  4. Step 4: Simplify right side
    5,583.58x = 23,525,761.99
  5. Step 5: Solve for x
    x = 23,525,761.99/5,583.58
  6. Step 6: Final answer
    x = 4,213.38

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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.