Home / 4,813.08-6,639.76-3,019.67

Finding the Fourth Proportional to 4,813.08, 6,639.76 and 3,019.67

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Solution

The fourth proportional to 4,813.08, 6,639.76 and 3,019.67 is: 4,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.08 : 6,639.76 = 3,019.67 : x
  2. Step 2: Convert to fraction form
    4,813.08/6,639.76 = 3,019.67/x
  3. Step 3: Cross multiply
    4,813.08x = 6,639.76 × 3,019.67
  4. Step 4: Simplify right side
    4,813.08x = 20,049,879.55
  5. Step 5: Solve for x
    x = 20,049,879.55/4,813.08
  6. Step 6: Final answer
    x = 4,165.71

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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.