Home / 6,211.05-9,318.37-1,828.51

Finding the Fourth Proportional to 6,211.05, 9,318.37 and 1,828.51

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Solution

The fourth proportional to 6,211.05, 9,318.37 and 1,828.51 is: 2,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.05 : 9,318.37 = 1,828.51 : x
  2. Step 2: Convert to fraction form
    6,211.05/9,318.37 = 1,828.51/x
  3. Step 3: Cross multiply
    6,211.05x = 9,318.37 × 1,828.51
  4. Step 4: Simplify right side
    6,211.05x = 17,038,732.73
  5. Step 5: Solve for x
    x = 17,038,732.73/6,211.05
  6. Step 6: Final answer
    x = 2,743.29

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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.