Home / 4,809.57-6,634.82-3,131.95

Finding the Fourth Proportional to 4,809.57, 6,634.82 and 3,131.95

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Solution

The fourth proportional to 4,809.57, 6,634.82 and 3,131.95 is: 4,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.57 : 6,634.82 = 3,131.95 : x
  2. Step 2: Convert to fraction form
    4,809.57/6,634.82 = 3,131.95/x
  3. Step 3: Cross multiply
    4,809.57x = 6,634.82 × 3,131.95
  4. Step 4: Simplify right side
    4,809.57x = 20,779,924.50
  5. Step 5: Solve for x
    x = 20,779,924.50/4,809.57
  6. Step 6: Final answer
    x = 4,320.54

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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.