Home / 8,280.70-12,418.41-2,733.01

Finding the Fourth Proportional to 8,280.70, 12,418.41 and 2,733.01

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Solution

The fourth proportional to 8,280.70, 12,418.41 and 2,733.01 is: 4,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.70 : 12,418.41 = 2,733.01 : x
  2. Step 2: Convert to fraction form
    8,280.70/12,418.41 = 2,733.01/x
  3. Step 3: Cross multiply
    8,280.70x = 12,418.41 × 2,733.01
  4. Step 4: Simplify right side
    8,280.70x = 33,939,638.71
  5. Step 5: Solve for x
    x = 33,939,638.71/8,280.70
  6. Step 6: Final answer
    x = 4,098.64

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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.