Home / 6,820.67-10,230.92-1,890.12

Finding the Fourth Proportional to 6,820.67, 10,230.92 and 1,890.12

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Solution

The fourth proportional to 6,820.67, 10,230.92 and 1,890.12 is: 2,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.67 : 10,230.92 = 1,890.12 : x
  2. Step 2: Convert to fraction form
    6,820.67/10,230.92 = 1,890.12/x
  3. Step 3: Cross multiply
    6,820.67x = 10,230.92 × 1,890.12
  4. Step 4: Simplify right side
    6,820.67x = 19,337,657.06
  5. Step 5: Solve for x
    x = 19,337,657.06/6,820.67
  6. Step 6: Final answer
    x = 2,835.16

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Similar ratio
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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.