Home / 8,394.96-12,584.24-4,222.45

Finding the Fourth Proportional to 8,394.96, 12,584.24 and 4,222.45

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Solution

The fourth proportional to 8,394.96, 12,584.24 and 4,222.45 is: 6,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.96 : 12,584.24 = 4,222.45 : x
  2. Step 2: Convert to fraction form
    8,394.96/12,584.24 = 4,222.45/x
  3. Step 3: Cross multiply
    8,394.96x = 12,584.24 × 4,222.45
  4. Step 4: Simplify right side
    8,394.96x = 53,136,324.19
  5. Step 5: Solve for x
    x = 53,136,324.19/8,394.96
  6. Step 6: Final answer
    x = 6,329.55

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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.