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Finding the Fourth Proportional to 8,951.03, 13,426.81 and 4,271.54

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Solution

The fourth proportional to 8,951.03, 13,426.81 and 4,271.54 is: 6,407.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.03 : 13,426.81 = 4,271.54 : x
  2. Step 2: Convert to fraction form
    8,951.03/13,426.81 = 4,271.54/x
  3. Step 3: Cross multiply
    8,951.03x = 13,426.81 × 4,271.54
  4. Step 4: Simplify right side
    8,951.03x = 57,353,102.20
  5. Step 5: Solve for x
    x = 57,353,102.20/8,951.03
  6. Step 6: Final answer
    x = 6,407.43

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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.