Home / 8,469.08-12,696.30-3,271.40

Finding the Fourth Proportional to 8,469.08, 12,696.30 and 3,271.40

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Solution

The fourth proportional to 8,469.08, 12,696.30 and 3,271.40 is: 4,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.08 : 12,696.30 = 3,271.40 : x
  2. Step 2: Convert to fraction form
    8,469.08/12,696.30 = 3,271.40/x
  3. Step 3: Cross multiply
    8,469.08x = 12,696.30 × 3,271.40
  4. Step 4: Simplify right side
    8,469.08x = 41,534,675.82
  5. Step 5: Solve for x
    x = 41,534,675.82/8,469.08
  6. Step 6: Final answer
    x = 4,904.27

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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.