Home / 5,616.06-8,424.93-1,815.43

Finding the Fourth Proportional to 5,616.06, 8,424.93 and 1,815.43

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Solution

The fourth proportional to 5,616.06, 8,424.93 and 1,815.43 is: 2,723.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,616.06 : 8,424.93 = 1,815.43 : x
  2. Step 2: Convert to fraction form
    5,616.06/8,424.93 = 1,815.43/x
  3. Step 3: Cross multiply
    5,616.06x = 8,424.93 × 1,815.43
  4. Step 4: Simplify right side
    5,616.06x = 15,294,861.59
  5. Step 5: Solve for x
    x = 15,294,861.59/5,616.06
  6. Step 6: Final answer
    x = 2,723.42

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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.