Home / 6,788.38-10,182.66-1,858.18

Finding the Fourth Proportional to 6,788.38, 10,182.66 and 1,858.18

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Solution

The fourth proportional to 6,788.38, 10,182.66 and 1,858.18 is: 2,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.38 : 10,182.66 = 1,858.18 : x
  2. Step 2: Convert to fraction form
    6,788.38/10,182.66 = 1,858.18/x
  3. Step 3: Cross multiply
    6,788.38x = 10,182.66 × 1,858.18
  4. Step 4: Simplify right side
    6,788.38x = 18,921,215.16
  5. Step 5: Solve for x
    x = 18,921,215.16/6,788.38
  6. Step 6: Final answer
    x = 2,787.29

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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.