Home / 5,565.35-8,343.59-2,790.51

Finding the Fourth Proportional to 5,565.35, 8,343.59 and 2,790.51

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Solution

The fourth proportional to 5,565.35, 8,343.59 and 2,790.51 is: 4,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.35 : 8,343.59 = 2,790.51 : x
  2. Step 2: Convert to fraction form
    5,565.35/8,343.59 = 2,790.51/x
  3. Step 3: Cross multiply
    5,565.35x = 8,343.59 × 2,790.51
  4. Step 4: Simplify right side
    5,565.35x = 23,282,857.38
  5. Step 5: Solve for x
    x = 23,282,857.38/5,565.35
  6. Step 6: Final answer
    x = 4,183.54

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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.