Home / 8,433.88-12,651.36-4,270.96

Finding the Fourth Proportional to 8,433.88, 12,651.36 and 4,270.96

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Solution

The fourth proportional to 8,433.88, 12,651.36 and 4,270.96 is: 6,406.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.88 : 12,651.36 = 4,270.96 : x
  2. Step 2: Convert to fraction form
    8,433.88/12,651.36 = 4,270.96/x
  3. Step 3: Cross multiply
    8,433.88x = 12,651.36 × 4,270.96
  4. Step 4: Simplify right side
    8,433.88x = 54,033,452.51
  5. Step 5: Solve for x
    x = 54,033,452.51/8,433.88
  6. Step 6: Final answer
    x = 6,406.71

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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.