Home / 4,947.96-7,427.07-3,315.92

Finding the Fourth Proportional to 4,947.96, 7,427.07 and 3,315.92

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Solution

The fourth proportional to 4,947.96, 7,427.07 and 3,315.92 is: 4,977.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.96 : 7,427.07 = 3,315.92 : x
  2. Step 2: Convert to fraction form
    4,947.96/7,427.07 = 3,315.92/x
  3. Step 3: Cross multiply
    4,947.96x = 7,427.07 × 3,315.92
  4. Step 4: Simplify right side
    4,947.96x = 24,627,532.82
  5. Step 5: Solve for x
    x = 24,627,532.82/4,947.96
  6. Step 6: Final answer
    x = 4,977.31

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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.