Home / 5,790.19-7,990.56-3,431.89

Finding the Fourth Proportional to 5,790.19, 7,990.56 and 3,431.89

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Solution

The fourth proportional to 5,790.19, 7,990.56 and 3,431.89 is: 4,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.19 : 7,990.56 = 3,431.89 : x
  2. Step 2: Convert to fraction form
    5,790.19/7,990.56 = 3,431.89/x
  3. Step 3: Cross multiply
    5,790.19x = 7,990.56 × 3,431.89
  4. Step 4: Simplify right side
    5,790.19x = 27,422,722.96
  5. Step 5: Solve for x
    x = 27,422,722.96/5,790.19
  6. Step 6: Final answer
    x = 4,736.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.