Home / 4,263.96-6,389.46-3,163.17

Finding the Fourth Proportional to 4,263.96, 6,389.46 and 3,163.17

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Solution

The fourth proportional to 4,263.96, 6,389.46 and 3,163.17 is: 4,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.96 : 6,389.46 = 3,163.17 : x
  2. Step 2: Convert to fraction form
    4,263.96/6,389.46 = 3,163.17/x
  3. Step 3: Cross multiply
    4,263.96x = 6,389.46 × 3,163.17
  4. Step 4: Simplify right side
    4,263.96x = 20,210,948.19
  5. Step 5: Solve for x
    x = 20,210,948.19/4,263.96
  6. Step 6: Final answer
    x = 4,739.95

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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.