Home / 4,889.30-7,328.55-2,699.60

Finding the Fourth Proportional to 4,889.30, 7,328.55 and 2,699.60

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Solution

The fourth proportional to 4,889.30, 7,328.55 and 2,699.60 is: 4,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.30 : 7,328.55 = 2,699.60 : x
  2. Step 2: Convert to fraction form
    4,889.30/7,328.55 = 2,699.60/x
  3. Step 3: Cross multiply
    4,889.30x = 7,328.55 × 2,699.60
  4. Step 4: Simplify right side
    4,889.30x = 19,784,153.58
  5. Step 5: Solve for x
    x = 19,784,153.58/4,889.30
  6. Step 6: Final answer
    x = 4,046.42

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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.