Home / 6,821.15-10,230.44-1,889.87

Finding the Fourth Proportional to 6,821.15, 10,230.44 and 1,889.87

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Solution

The fourth proportional to 6,821.15, 10,230.44 and 1,889.87 is: 2,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.15 : 10,230.44 = 1,889.87 : x
  2. Step 2: Convert to fraction form
    6,821.15/10,230.44 = 1,889.87/x
  3. Step 3: Cross multiply
    6,821.15x = 10,230.44 × 1,889.87
  4. Step 4: Simplify right side
    6,821.15x = 19,334,141.04
  5. Step 5: Solve for x
    x = 19,334,141.04/6,821.15
  6. Step 6: Final answer
    x = 2,834.44

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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.