Home / 5,176.16-7,763.46-1,889.27

Finding the Fourth Proportional to 5,176.16, 7,763.46 and 1,889.27

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Solution

The fourth proportional to 5,176.16, 7,763.46 and 1,889.27 is: 2,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.16 : 7,763.46 = 1,889.27 : x
  2. Step 2: Convert to fraction form
    5,176.16/7,763.46 = 1,889.27/x
  3. Step 3: Cross multiply
    5,176.16x = 7,763.46 × 1,889.27
  4. Step 4: Simplify right side
    5,176.16x = 14,667,272.07
  5. Step 5: Solve for x
    x = 14,667,272.07/5,176.16
  6. Step 6: Final answer
    x = 2,833.62

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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.