Home / 4,814.87-6,644.50-2,798.57

Finding the Fourth Proportional to 4,814.87, 6,644.50 and 2,798.57

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Solution

The fourth proportional to 4,814.87, 6,644.50 and 2,798.57 is: 3,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.87 : 6,644.50 = 2,798.57 : x
  2. Step 2: Convert to fraction form
    4,814.87/6,644.50 = 2,798.57/x
  3. Step 3: Cross multiply
    4,814.87x = 6,644.50 × 2,798.57
  4. Step 4: Simplify right side
    4,814.87x = 18,595,107.98
  5. Step 5: Solve for x
    x = 18,595,107.98/4,814.87
  6. Step 6: Final answer
    x = 3,862.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.