Home / 4,012.08-6,018.69-1,238.98

Finding the Fourth Proportional to 4,012.08, 6,018.69 and 1,238.98

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Solution

The fourth proportional to 4,012.08, 6,018.69 and 1,238.98 is: 1,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.08 : 6,018.69 = 1,238.98 : x
  2. Step 2: Convert to fraction form
    4,012.08/6,018.69 = 1,238.98/x
  3. Step 3: Cross multiply
    4,012.08x = 6,018.69 × 1,238.98
  4. Step 4: Simplify right side
    4,012.08x = 7,457,036.54
  5. Step 5: Solve for x
    x = 7,457,036.54/4,012.08
  6. Step 6: Final answer
    x = 1,858.65

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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.