Home / 4,650.84-6,419.70-3,163.68

Finding the Fourth Proportional to 4,650.84, 6,419.70 and 3,163.68

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Solution

The fourth proportional to 4,650.84, 6,419.70 and 3,163.68 is: 4,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.84 : 6,419.70 = 3,163.68 : x
  2. Step 2: Convert to fraction form
    4,650.84/6,419.70 = 3,163.68/x
  3. Step 3: Cross multiply
    4,650.84x = 6,419.70 × 3,163.68
  4. Step 4: Simplify right side
    4,650.84x = 20,309,876.50
  5. Step 5: Solve for x
    x = 20,309,876.50/4,650.84
  6. Step 6: Final answer
    x = 4,366.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.