Home / 6,788.90-10,183.81-1,858.13

Finding the Fourth Proportional to 6,788.90, 10,183.81 and 1,858.13

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Solution

The fourth proportional to 6,788.90, 10,183.81 and 1,858.13 is: 2,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.90 : 10,183.81 = 1,858.13 : x
  2. Step 2: Convert to fraction form
    6,788.90/10,183.81 = 1,858.13/x
  3. Step 3: Cross multiply
    6,788.90x = 10,183.81 × 1,858.13
  4. Step 4: Simplify right side
    6,788.90x = 18,922,842.88
  5. Step 5: Solve for x
    x = 18,922,842.88/6,788.90
  6. Step 6: Final answer
    x = 2,787.32

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1.5x scale

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.