Home / 4,428.44-6,634.20-4,280.08

Finding the Fourth Proportional to 4,428.44, 6,634.20 and 4,280.08

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Solution

The fourth proportional to 4,428.44, 6,634.20 and 4,280.08 is: 6,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.44 : 6,634.20 = 4,280.08 : x
  2. Step 2: Convert to fraction form
    4,428.44/6,634.20 = 4,280.08/x
  3. Step 3: Cross multiply
    4,428.44x = 6,634.20 × 4,280.08
  4. Step 4: Simplify right side
    4,428.44x = 28,394,906.74
  5. Step 5: Solve for x
    x = 28,394,906.74/4,428.44
  6. Step 6: Final answer
    x = 6,411.94

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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.