Home / 6,280.98-8,667.75-3,628.39

Finding the Fourth Proportional to 6,280.98, 8,667.75 and 3,628.39

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Solution

The fourth proportional to 6,280.98, 8,667.75 and 3,628.39 is: 5,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.98 : 8,667.75 = 3,628.39 : x
  2. Step 2: Convert to fraction form
    6,280.98/8,667.75 = 3,628.39/x
  3. Step 3: Cross multiply
    6,280.98x = 8,667.75 × 3,628.39
  4. Step 4: Simplify right side
    6,280.98x = 31,449,976.97
  5. Step 5: Solve for x
    x = 31,449,976.97/6,280.98
  6. Step 6: Final answer
    x = 5,007.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.