Home / 4,516.61-6,777.79-1,919.54

Finding the Fourth Proportional to 4,516.61, 6,777.79 and 1,919.54

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Solution

The fourth proportional to 4,516.61, 6,777.79 and 1,919.54 is: 2,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.61 : 6,777.79 = 1,919.54 : x
  2. Step 2: Convert to fraction form
    4,516.61/6,777.79 = 1,919.54/x
  3. Step 3: Cross multiply
    4,516.61x = 6,777.79 × 1,919.54
  4. Step 4: Simplify right side
    4,516.61x = 13,010,251.16
  5. Step 5: Solve for x
    x = 13,010,251.16/4,516.61
  6. Step 6: Final answer
    x = 2,880.54

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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.