Home / 4,782.46-7,165.62-3,389.05

Finding the Fourth Proportional to 4,782.46, 7,165.62 and 3,389.05

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Solution

The fourth proportional to 4,782.46, 7,165.62 and 3,389.05 is: 5,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.46 : 7,165.62 = 3,389.05 : x
  2. Step 2: Convert to fraction form
    4,782.46/7,165.62 = 3,389.05/x
  3. Step 3: Cross multiply
    4,782.46x = 7,165.62 × 3,389.05
  4. Step 4: Simplify right side
    4,782.46x = 24,284,644.46
  5. Step 5: Solve for x
    x = 24,284,644.46/4,782.46
  6. Step 6: Final answer
    x = 5,077.86

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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.