Home / 5,231.03-7,847.23-1,719.87

Finding the Fourth Proportional to 5,231.03, 7,847.23 and 1,719.87

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Solution

The fourth proportional to 5,231.03, 7,847.23 and 1,719.87 is: 2,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.03 : 7,847.23 = 1,719.87 : x
  2. Step 2: Convert to fraction form
    5,231.03/7,847.23 = 1,719.87/x
  3. Step 3: Cross multiply
    5,231.03x = 7,847.23 × 1,719.87
  4. Step 4: Simplify right side
    5,231.03x = 13,496,218.06
  5. Step 5: Solve for x
    x = 13,496,218.06/5,231.03
  6. Step 6: Final answer
    x = 2,580.03

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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.