Home / 4,947.58-6,829.32-3,941.20

Finding the Fourth Proportional to 4,947.58, 6,829.32 and 3,941.20

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Solution

The fourth proportional to 4,947.58, 6,829.32 and 3,941.20 is: 5,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.58 : 6,829.32 = 3,941.20 : x
  2. Step 2: Convert to fraction form
    4,947.58/6,829.32 = 3,941.20/x
  3. Step 3: Cross multiply
    4,947.58x = 6,829.32 × 3,941.20
  4. Step 4: Simplify right side
    4,947.58x = 26,915,715.98
  5. Step 5: Solve for x
    x = 26,915,715.98/4,947.58
  6. Step 6: Final answer
    x = 5,440.18

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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.