Home / 8,280.26-12,420.41-2,040.42

Finding the Fourth Proportional to 8,280.26, 12,420.41 and 2,040.42

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Solution

The fourth proportional to 8,280.26, 12,420.41 and 2,040.42 is: 3,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.26 : 12,420.41 = 2,040.42 : x
  2. Step 2: Convert to fraction form
    8,280.26/12,420.41 = 2,040.42/x
  3. Step 3: Cross multiply
    8,280.26x = 12,420.41 × 2,040.42
  4. Step 4: Simplify right side
    8,280.26x = 25,342,858.07
  5. Step 5: Solve for x
    x = 25,342,858.07/8,280.26
  6. Step 6: Final answer
    x = 3,060.64

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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.