Home / 4,947.71-6,827.91-2,709.54

Finding the Fourth Proportional to 4,947.71, 6,827.91 and 2,709.54

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Solution

The fourth proportional to 4,947.71, 6,827.91 and 2,709.54 is: 3,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.71 : 6,827.91 = 2,709.54 : x
  2. Step 2: Convert to fraction form
    4,947.71/6,827.91 = 2,709.54/x
  3. Step 3: Cross multiply
    4,947.71x = 6,827.91 × 2,709.54
  4. Step 4: Simplify right side
    4,947.71x = 18,500,495.26
  5. Step 5: Solve for x
    x = 18,500,495.26/4,947.71
  6. Step 6: Final answer
    x = 3,739.21

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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.