Home / 4,263.90-6,395.82-1,922.64

Finding the Fourth Proportional to 4,263.90, 6,395.82 and 1,922.64

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Solution

The fourth proportional to 4,263.90, 6,395.82 and 1,922.64 is: 2,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.90 : 6,395.82 = 1,922.64 : x
  2. Step 2: Convert to fraction form
    4,263.90/6,395.82 = 1,922.64/x
  3. Step 3: Cross multiply
    4,263.90x = 6,395.82 × 1,922.64
  4. Step 4: Simplify right side
    4,263.90x = 12,296,859.36
  5. Step 5: Solve for x
    x = 12,296,859.36/4,263.90
  6. Step 6: Final answer
    x = 2,883.95

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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.