Home / 4,812.64-7,219.91-2,039.29

Finding the Fourth Proportional to 4,812.64, 7,219.91 and 2,039.29

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Solution

The fourth proportional to 4,812.64, 7,219.91 and 2,039.29 is: 3,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.64 : 7,219.91 = 2,039.29 : x
  2. Step 2: Convert to fraction form
    4,812.64/7,219.91 = 2,039.29/x
  3. Step 3: Cross multiply
    4,812.64x = 7,219.91 × 2,039.29
  4. Step 4: Simplify right side
    4,812.64x = 14,723,477.31
  5. Step 5: Solve for x
    x = 14,723,477.31/4,812.64
  6. Step 6: Final answer
    x = 3,059.34

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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.