Home / 8,280.95-12,418.79-2,733.26

Finding the Fourth Proportional to 8,280.95, 12,418.79 and 2,733.26

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Solution

The fourth proportional to 8,280.95, 12,418.79 and 2,733.26 is: 4,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.95 : 12,418.79 = 2,733.26 : x
  2. Step 2: Convert to fraction form
    8,280.95/12,418.79 = 2,733.26/x
  3. Step 3: Cross multiply
    8,280.95x = 12,418.79 × 2,733.26
  4. Step 4: Simplify right side
    8,280.95x = 33,943,706.20
  5. Step 5: Solve for x
    x = 33,943,706.20/8,280.95
  6. Step 6: Final answer
    x = 4,099.01

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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.