Home / 5,871.03-8,805.60-2,172.42

Finding the Fourth Proportional to 5,871.03, 8,805.60 and 2,172.42

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Solution

The fourth proportional to 5,871.03, 8,805.60 and 2,172.42 is: 3,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.03 : 8,805.60 = 2,172.42 : x
  2. Step 2: Convert to fraction form
    5,871.03/8,805.60 = 2,172.42/x
  3. Step 3: Cross multiply
    5,871.03x = 8,805.60 × 2,172.42
  4. Step 4: Simplify right side
    5,871.03x = 19,129,461.55
  5. Step 5: Solve for x
    x = 19,129,461.55/5,871.03
  6. Step 6: Final answer
    x = 3,258.28

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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.