Home / 8,011.44-12,018.56-3,858.93

Finding the Fourth Proportional to 8,011.44, 12,018.56 and 3,858.93

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Solution

The fourth proportional to 8,011.44, 12,018.56 and 3,858.93 is: 5,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.44 : 12,018.56 = 3,858.93 : x
  2. Step 2: Convert to fraction form
    8,011.44/12,018.56 = 3,858.93/x
  3. Step 3: Cross multiply
    8,011.44x = 12,018.56 × 3,858.93
  4. Step 4: Simplify right side
    8,011.44x = 46,378,762.45
  5. Step 5: Solve for x
    x = 46,378,762.45/8,011.44
  6. Step 6: Final answer
    x = 5,789.07

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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.