Home / 4,806.40-6,628.69-3,127.19

Finding the Fourth Proportional to 4,806.40, 6,628.69 and 3,127.19

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Solution

The fourth proportional to 4,806.40, 6,628.69 and 3,127.19 is: 4,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.40 : 6,628.69 = 3,127.19 : x
  2. Step 2: Convert to fraction form
    4,806.40/6,628.69 = 3,127.19/x
  3. Step 3: Cross multiply
    4,806.40x = 6,628.69 × 3,127.19
  4. Step 4: Simplify right side
    4,806.40x = 20,729,163.54
  5. Step 5: Solve for x
    x = 20,729,163.54/4,806.40
  6. Step 6: Final answer
    x = 4,312.83

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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.