Home / 5,583.38-8,372.72-2,811.51

Finding the Fourth Proportional to 5,583.38, 8,372.72 and 2,811.51

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Solution

The fourth proportional to 5,583.38, 8,372.72 and 2,811.51 is: 4,216.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.38 : 8,372.72 = 2,811.51 : x
  2. Step 2: Convert to fraction form
    5,583.38/8,372.72 = 2,811.51/x
  3. Step 3: Cross multiply
    5,583.38x = 8,372.72 × 2,811.51
  4. Step 4: Simplify right side
    5,583.38x = 23,539,977.22
  5. Step 5: Solve for x
    x = 23,539,977.22/5,583.38
  6. Step 6: Final answer
    x = 4,216.08

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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.