Home / 4,379.45-6,043.63-2,807.54

Finding the Fourth Proportional to 4,379.45, 6,043.63 and 2,807.54

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Solution

The fourth proportional to 4,379.45, 6,043.63 and 2,807.54 is: 3,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.45 : 6,043.63 = 2,807.54 : x
  2. Step 2: Convert to fraction form
    4,379.45/6,043.63 = 2,807.54/x
  3. Step 3: Cross multiply
    4,379.45x = 6,043.63 × 2,807.54
  4. Step 4: Simplify right side
    4,379.45x = 16,967,732.97
  5. Step 5: Solve for x
    x = 16,967,732.97/4,379.45
  6. Step 6: Final answer
    x = 3,874.40

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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.