Home / 8,271.97-12,406.66-6,875.36

Finding the Fourth Proportional to 8,271.97, 12,406.66 and 6,875.36

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Solution

The fourth proportional to 8,271.97, 12,406.66 and 6,875.36 is: 10,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.97 : 12,406.66 = 6,875.36 : x
  2. Step 2: Convert to fraction form
    8,271.97/12,406.66 = 6,875.36/x
  3. Step 3: Cross multiply
    8,271.97x = 12,406.66 × 6,875.36
  4. Step 4: Simplify right side
    8,271.97x = 85,300,253.90
  5. Step 5: Solve for x
    x = 85,300,253.90/8,271.97
  6. Step 6: Final answer
    x = 10,311.96

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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.