Home / 5,871.64-8,103.24-3,219.05

Finding the Fourth Proportional to 5,871.64, 8,103.24 and 3,219.05

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Solution

The fourth proportional to 5,871.64, 8,103.24 and 3,219.05 is: 4,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.64 : 8,103.24 = 3,219.05 : x
  2. Step 2: Convert to fraction form
    5,871.64/8,103.24 = 3,219.05/x
  3. Step 3: Cross multiply
    5,871.64x = 8,103.24 × 3,219.05
  4. Step 4: Simplify right side
    5,871.64x = 26,084,734.72
  5. Step 5: Solve for x
    x = 26,084,734.72/5,871.64
  6. Step 6: Final answer
    x = 4,442.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.