Home / 4,093.88-6,140.98-1,320.33

Finding the Fourth Proportional to 4,093.88, 6,140.98 and 1,320.33

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Solution

The fourth proportional to 4,093.88, 6,140.98 and 1,320.33 is: 1,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.88 : 6,140.98 = 1,320.33 : x
  2. Step 2: Convert to fraction form
    4,093.88/6,140.98 = 1,320.33/x
  3. Step 3: Cross multiply
    4,093.88x = 6,140.98 × 1,320.33
  4. Step 4: Simplify right side
    4,093.88x = 8,108,144.80
  5. Step 5: Solve for x
    x = 8,108,144.80/4,093.88
  6. Step 6: Final answer
    x = 1,980.56

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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.