Home / 8,260.26-12,390.42-2,104.26

Finding the Fourth Proportional to 8,260.26, 12,390.42 and 2,104.26

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Solution

The fourth proportional to 8,260.26, 12,390.42 and 2,104.26 is: 3,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.26 : 12,390.42 = 2,104.26 : x
  2. Step 2: Convert to fraction form
    8,260.26/12,390.42 = 2,104.26/x
  3. Step 3: Cross multiply
    8,260.26x = 12,390.42 × 2,104.26
  4. Step 4: Simplify right side
    8,260.26x = 26,072,665.19
  5. Step 5: Solve for x
    x = 26,072,665.19/8,260.26
  6. Step 6: Final answer
    x = 3,156.40

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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.