Home / 5,871.69-8,102.81-3,219.03

Finding the Fourth Proportional to 5,871.69, 8,102.81 and 3,219.03

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Solution

The fourth proportional to 5,871.69, 8,102.81 and 3,219.03 is: 4,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.69 : 8,102.81 = 3,219.03 : x
  2. Step 2: Convert to fraction form
    5,871.69/8,102.81 = 3,219.03/x
  3. Step 3: Cross multiply
    5,871.69x = 8,102.81 × 3,219.03
  4. Step 4: Simplify right side
    5,871.69x = 26,083,196.52
  5. Step 5: Solve for x
    x = 26,083,196.52/5,871.69
  6. Step 6: Final answer
    x = 4,442.20

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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.