Home / 5,565.48-8,349.80-2,788.80

Finding the Fourth Proportional to 5,565.48, 8,349.80 and 2,788.80

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Solution

The fourth proportional to 5,565.48, 8,349.80 and 2,788.80 is: 4,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.48 : 8,349.80 = 2,788.80 : x
  2. Step 2: Convert to fraction form
    5,565.48/8,349.80 = 2,788.80/x
  3. Step 3: Cross multiply
    5,565.48x = 8,349.80 × 2,788.80
  4. Step 4: Simplify right side
    5,565.48x = 23,285,908.30
  5. Step 5: Solve for x
    x = 23,285,908.30/5,565.48
  6. Step 6: Final answer
    x = 4,183.99

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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.