Home / 4,012.43-6,018.81-1,239.13

Finding the Fourth Proportional to 4,012.43, 6,018.81 and 1,239.13

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Solution

The fourth proportional to 4,012.43, 6,018.81 and 1,239.13 is: 1,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.43 : 6,018.81 = 1,239.13 : x
  2. Step 2: Convert to fraction form
    4,012.43/6,018.81 = 1,239.13/x
  3. Step 3: Cross multiply
    4,012.43x = 6,018.81 × 1,239.13
  4. Step 4: Simplify right side
    4,012.43x = 7,458,088.04
  5. Step 5: Solve for x
    x = 7,458,088.04/4,012.43
  6. Step 6: Final answer
    x = 1,858.75

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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.