Home / 8,280.94-12,418.37-2,732.64

Finding the Fourth Proportional to 8,280.94, 12,418.37 and 2,732.64

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Solution

The fourth proportional to 8,280.94, 12,418.37 and 2,732.64 is: 4,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.94 : 12,418.37 = 2,732.64 : x
  2. Step 2: Convert to fraction form
    8,280.94/12,418.37 = 2,732.64/x
  3. Step 3: Cross multiply
    8,280.94x = 12,418.37 × 2,732.64
  4. Step 4: Simplify right side
    8,280.94x = 33,934,931.18
  5. Step 5: Solve for x
    x = 33,934,931.18/8,280.94
  6. Step 6: Final answer
    x = 4,097.96

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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.