Home / 4,093.31-6,139.97-1,320.18

Finding the Fourth Proportional to 4,093.31, 6,139.97 and 1,320.18

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Solution

The fourth proportional to 4,093.31, 6,139.97 and 1,320.18 is: 1,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,093.31 : 6,139.97 = 1,320.18 : x
  2. Step 2: Convert to fraction form
    4,093.31/6,139.97 = 1,320.18/x
  3. Step 3: Cross multiply
    4,093.31x = 6,139.97 × 1,320.18
  4. Step 4: Simplify right side
    4,093.31x = 8,105,858.99
  5. Step 5: Solve for x
    x = 8,105,858.99/4,093.31
  6. Step 6: Final answer
    x = 1,980.27

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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.