Home / 8,147.26-12,211.27-3,464.45

Finding the Fourth Proportional to 8,147.26, 12,211.27 and 3,464.45

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Solution

The fourth proportional to 8,147.26, 12,211.27 and 3,464.45 is: 5,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.26 : 12,211.27 = 3,464.45 : x
  2. Step 2: Convert to fraction form
    8,147.26/12,211.27 = 3,464.45/x
  3. Step 3: Cross multiply
    8,147.26x = 12,211.27 × 3,464.45
  4. Step 4: Simplify right side
    8,147.26x = 42,305,264.63
  5. Step 5: Solve for x
    x = 42,305,264.63/8,147.26
  6. Step 6: Final answer
    x = 5,192.58

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1.5x scale

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.