Home / 5,871.97-8,103.32-3,219.40

Finding the Fourth Proportional to 5,871.97, 8,103.32 and 3,219.40

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Solution

The fourth proportional to 5,871.97, 8,103.32 and 3,219.40 is: 4,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.97 : 8,103.32 = 3,219.40 : x
  2. Step 2: Convert to fraction form
    5,871.97/8,103.32 = 3,219.40/x
  3. Step 3: Cross multiply
    5,871.97x = 8,103.32 × 3,219.40
  4. Step 4: Simplify right side
    5,871.97x = 26,087,828.41
  5. Step 5: Solve for x
    x = 26,087,828.41/5,871.97
  6. Step 6: Final answer
    x = 4,442.77

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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.