Home / 5,619.18-8,428.46-1,723.59

Finding the Fourth Proportional to 5,619.18, 8,428.46 and 1,723.59

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Solution

The fourth proportional to 5,619.18, 8,428.46 and 1,723.59 is: 2,585.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.18 : 8,428.46 = 1,723.59 : x
  2. Step 2: Convert to fraction form
    5,619.18/8,428.46 = 1,723.59/x
  3. Step 3: Cross multiply
    5,619.18x = 8,428.46 × 1,723.59
  4. Step 4: Simplify right side
    5,619.18x = 14,527,200.75
  5. Step 5: Solve for x
    x = 14,527,200.75/5,619.18
  6. Step 6: Final answer
    x = 2,585.29

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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.