Home / 4,947.48-6,827.40-2,709.36

Finding the Fourth Proportional to 4,947.48, 6,827.40 and 2,709.36

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Solution

The fourth proportional to 4,947.48, 6,827.40 and 2,709.36 is: 3,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.48 : 6,827.40 = 2,709.36 : x
  2. Step 2: Convert to fraction form
    4,947.48/6,827.40 = 2,709.36/x
  3. Step 3: Cross multiply
    4,947.48x = 6,827.40 × 2,709.36
  4. Step 4: Simplify right side
    4,947.48x = 18,497,884.46
  5. Step 5: Solve for x
    x = 18,497,884.46/4,947.48
  6. Step 6: Final answer
    x = 3,738.85

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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.