Home / 4,456.20-6,684.70-1,858.60

Finding the Fourth Proportional to 4,456.20, 6,684.70 and 1,858.60

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Solution

The fourth proportional to 4,456.20, 6,684.70 and 1,858.60 is: 2,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.20 : 6,684.70 = 1,858.60 : x
  2. Step 2: Convert to fraction form
    4,456.20/6,684.70 = 1,858.60/x
  3. Step 3: Cross multiply
    4,456.20x = 6,684.70 × 1,858.60
  4. Step 4: Simplify right side
    4,456.20x = 12,424,183.42
  5. Step 5: Solve for x
    x = 12,424,183.42/4,456.20
  6. Step 6: Final answer
    x = 2,788.07

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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.