Home / 4,516.31-6,775.83-1,919.45

Finding the Fourth Proportional to 4,516.31, 6,775.83 and 1,919.45

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Solution

The fourth proportional to 4,516.31, 6,775.83 and 1,919.45 is: 2,879.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.31 : 6,775.83 = 1,919.45 : x
  2. Step 2: Convert to fraction form
    4,516.31/6,775.83 = 1,919.45/x
  3. Step 3: Cross multiply
    4,516.31x = 6,775.83 × 1,919.45
  4. Step 4: Simplify right side
    4,516.31x = 13,005,883.83
  5. Step 5: Solve for x
    x = 13,005,883.83/4,516.31
  6. Step 6: Final answer
    x = 2,879.76

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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.