Home / 4,012.01-6,018.70-1,238.63

Finding the Fourth Proportional to 4,012.01, 6,018.70 and 1,238.63

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Solution

The fourth proportional to 4,012.01, 6,018.70 and 1,238.63 is: 1,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.01 : 6,018.70 = 1,238.63 : x
  2. Step 2: Convert to fraction form
    4,012.01/6,018.70 = 1,238.63/x
  3. Step 3: Cross multiply
    4,012.01x = 6,018.70 × 1,238.63
  4. Step 4: Simplify right side
    4,012.01x = 7,454,942.38
  5. Step 5: Solve for x
    x = 7,454,942.38/4,012.01
  6. Step 6: Final answer
    x = 1,858.16

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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.