Home / 4,812.26-7,219.26-2,215.13

Finding the Fourth Proportional to 4,812.26, 7,219.26 and 2,215.13

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Solution

The fourth proportional to 4,812.26, 7,219.26 and 2,215.13 is: 3,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.26 : 7,219.26 = 2,215.13 : x
  2. Step 2: Convert to fraction form
    4,812.26/7,219.26 = 2,215.13/x
  3. Step 3: Cross multiply
    4,812.26x = 7,219.26 × 2,215.13
  4. Step 4: Simplify right side
    4,812.26x = 15,991,563.31
  5. Step 5: Solve for x
    x = 15,991,563.31/4,812.26
  6. Step 6: Final answer
    x = 3,323.09

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1.5x scale

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.