Home / 7,085.46-10,629.36-2,153.96

Finding the Fourth Proportional to 7,085.46, 10,629.36 and 2,153.96

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Solution

The fourth proportional to 7,085.46, 10,629.36 and 2,153.96 is: 3,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,085.46 : 10,629.36 = 2,153.96 : x
  2. Step 2: Convert to fraction form
    7,085.46/10,629.36 = 2,153.96/x
  3. Step 3: Cross multiply
    7,085.46x = 10,629.36 × 2,153.96
  4. Step 4: Simplify right side
    7,085.46x = 22,895,202.98
  5. Step 5: Solve for x
    x = 22,895,202.98/7,085.46
  6. Step 6: Final answer
    x = 3,231.29

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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.