Home / 4,812.87-7,217.86-2,039.50

Finding the Fourth Proportional to 4,812.87, 7,217.86 and 2,039.50

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Solution

The fourth proportional to 4,812.87, 7,217.86 and 2,039.50 is: 3,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.87 : 7,217.86 = 2,039.50 : x
  2. Step 2: Convert to fraction form
    4,812.87/7,217.86 = 2,039.50/x
  3. Step 3: Cross multiply
    4,812.87x = 7,217.86 × 2,039.50
  4. Step 4: Simplify right side
    4,812.87x = 14,720,825.47
  5. Step 5: Solve for x
    x = 14,720,825.47/4,812.87
  6. Step 6: Final answer
    x = 3,058.64

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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.