Home / 4,947.36-6,827.40-3,084

Finding the Fourth Proportional to 4,947.36, 6,827.40 and 3,084

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Solution

The fourth proportional to 4,947.36, 6,827.40 and 3,084 is: 4,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.36 : 6,827.40 = 3,084 : x
  2. Step 2: Convert to fraction form
    4,947.36/6,827.40 = 3,084/x
  3. Step 3: Cross multiply
    4,947.36x = 6,827.40 × 3,084
  4. Step 4: Simplify right side
    4,947.36x = 21,055,701.60
  5. Step 5: Solve for x
    x = 21,055,701.60/4,947.36
  6. Step 6: Final answer
    x = 4,255.95

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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.