Home / 4,814.64-7,220.70-2,039.88

Finding the Fourth Proportional to 4,814.64, 7,220.70 and 2,039.88

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Solution

The fourth proportional to 4,814.64, 7,220.70 and 2,039.88 is: 3,059.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.64 : 7,220.70 = 2,039.88 : x
  2. Step 2: Convert to fraction form
    4,814.64/7,220.70 = 2,039.88/x
  3. Step 3: Cross multiply
    4,814.64x = 7,220.70 × 2,039.88
  4. Step 4: Simplify right side
    4,814.64x = 14,729,361.52
  5. Step 5: Solve for x
    x = 14,729,361.52/4,814.64
  6. Step 6: Final answer
    x = 3,059.29

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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.