Home / 4,263.66-6,395.94-1,143.78

Finding the Fourth Proportional to 4,263.66, 6,395.94 and 1,143.78

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Solution

The fourth proportional to 4,263.66, 6,395.94 and 1,143.78 is: 1,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.66 : 6,395.94 = 1,143.78 : x
  2. Step 2: Convert to fraction form
    4,263.66/6,395.94 = 1,143.78/x
  3. Step 3: Cross multiply
    4,263.66x = 6,395.94 × 1,143.78
  4. Step 4: Simplify right side
    4,263.66x = 7,315,548.25
  5. Step 5: Solve for x
    x = 7,315,548.25/4,263.66
  6. Step 6: Final answer
    x = 1,715.79

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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.