Home / 6,820.49-10,230.96-1,890.18

Finding the Fourth Proportional to 6,820.49, 10,230.96 and 1,890.18

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Solution

The fourth proportional to 6,820.49, 10,230.96 and 1,890.18 is: 2,835.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.49 : 10,230.96 = 1,890.18 : x
  2. Step 2: Convert to fraction form
    6,820.49/10,230.96 = 1,890.18/x
  3. Step 3: Cross multiply
    6,820.49x = 10,230.96 × 1,890.18
  4. Step 4: Simplify right side
    6,820.49x = 19,338,355.97
  5. Step 5: Solve for x
    x = 19,338,355.97/6,820.49
  6. Step 6: Final answer
    x = 2,835.33

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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.