Home / 4,001.08-5,519.27-2,807.86

Finding the Fourth Proportional to 4,001.08, 5,519.27 and 2,807.86

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Solution

The fourth proportional to 4,001.08, 5,519.27 and 2,807.86 is: 3,873.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.08 : 5,519.27 = 2,807.86 : x
  2. Step 2: Convert to fraction form
    4,001.08/5,519.27 = 2,807.86/x
  3. Step 3: Cross multiply
    4,001.08x = 5,519.27 × 2,807.86
  4. Step 4: Simplify right side
    4,001.08x = 15,497,309.87
  5. Step 5: Solve for x
    x = 15,497,309.87/4,001.08
  6. Step 6: Final answer
    x = 3,873.28

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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.