Home / 5,619.33-8,430.08-2,156.31

Finding the Fourth Proportional to 5,619.33, 8,430.08 and 2,156.31

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Solution

The fourth proportional to 5,619.33, 8,430.08 and 2,156.31 is: 3,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.33 : 8,430.08 = 2,156.31 : x
  2. Step 2: Convert to fraction form
    5,619.33/8,430.08 = 2,156.31/x
  3. Step 3: Cross multiply
    5,619.33x = 8,430.08 × 2,156.31
  4. Step 4: Simplify right side
    5,619.33x = 18,177,865.80
  5. Step 5: Solve for x
    x = 18,177,865.80/5,619.33
  6. Step 6: Final answer
    x = 3,234.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.