Home / 6,820.25-10,230.55-1,889.88

Finding the Fourth Proportional to 6,820.25, 10,230.55 and 1,889.88

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Solution

The fourth proportional to 6,820.25, 10,230.55 and 1,889.88 is: 2,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.25 : 10,230.55 = 1,889.88 : x
  2. Step 2: Convert to fraction form
    6,820.25/10,230.55 = 1,889.88/x
  3. Step 3: Cross multiply
    6,820.25x = 10,230.55 × 1,889.88
  4. Step 4: Simplify right side
    6,820.25x = 19,334,536.92
  5. Step 5: Solve for x
    x = 19,334,536.92/6,820.25
  6. Step 6: Final answer
    x = 2,834.87

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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.