Home / 5,583.52-8,378.16-3,116.80

Finding the Fourth Proportional to 5,583.52, 8,378.16 and 3,116.80

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Solution

The fourth proportional to 5,583.52, 8,378.16 and 3,116.80 is: 4,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.52 : 8,378.16 = 3,116.80 : x
  2. Step 2: Convert to fraction form
    5,583.52/8,378.16 = 3,116.80/x
  3. Step 3: Cross multiply
    5,583.52x = 8,378.16 × 3,116.80
  4. Step 4: Simplify right side
    5,583.52x = 26,113,049.09
  5. Step 5: Solve for x
    x = 26,113,049.09/5,583.52
  6. Step 6: Final answer
    x = 4,676.81

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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.