Home / 8,321.07-12,474.60-3,394.23

Finding the Fourth Proportional to 8,321.07, 12,474.60 and 3,394.23

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Solution

The fourth proportional to 8,321.07, 12,474.60 and 3,394.23 is: 5,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321.07 : 12,474.60 = 3,394.23 : x
  2. Step 2: Convert to fraction form
    8,321.07/12,474.60 = 3,394.23/x
  3. Step 3: Cross multiply
    8,321.07x = 12,474.60 × 3,394.23
  4. Step 4: Simplify right side
    8,321.07x = 42,341,661.56
  5. Step 5: Solve for x
    x = 42,341,661.56/8,321.07
  6. Step 6: Final answer
    x = 5,088.49

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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.