Home / 6,820.88-10,230.08-1,889.28

Finding the Fourth Proportional to 6,820.88, 10,230.08 and 1,889.28

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Solution

The fourth proportional to 6,820.88, 10,230.08 and 1,889.28 is: 2,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.88 : 10,230.08 = 1,889.28 : x
  2. Step 2: Convert to fraction form
    6,820.88/10,230.08 = 1,889.28/x
  3. Step 3: Cross multiply
    6,820.88x = 10,230.08 × 1,889.28
  4. Step 4: Simplify right side
    6,820.88x = 19,327,485.54
  5. Step 5: Solve for x
    x = 19,327,485.54/6,820.88
  6. Step 6: Final answer
    x = 2,833.58

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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.