Home / 4,379.38-6,043.54-2,807.47

Finding the Fourth Proportional to 4,379.38, 6,043.54 and 2,807.47

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Solution

The fourth proportional to 4,379.38, 6,043.54 and 2,807.47 is: 3,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.38 : 6,043.54 = 2,807.47 : x
  2. Step 2: Convert to fraction form
    4,379.38/6,043.54 = 2,807.47/x
  3. Step 3: Cross multiply
    4,379.38x = 6,043.54 × 2,807.47
  4. Step 4: Simplify right side
    4,379.38x = 16,967,057.24
  5. Step 5: Solve for x
    x = 16,967,057.24/4,379.38
  6. Step 6: Final answer
    x = 3,874.31

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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.