Home / 4,012.28-6,018.99-1,239.19

Finding the Fourth Proportional to 4,012.28, 6,018.99 and 1,239.19

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Solution

The fourth proportional to 4,012.28, 6,018.99 and 1,239.19 is: 1,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.28 : 6,018.99 = 1,239.19 : x
  2. Step 2: Convert to fraction form
    4,012.28/6,018.99 = 1,239.19/x
  3. Step 3: Cross multiply
    4,012.28x = 6,018.99 × 1,239.19
  4. Step 4: Simplify right side
    4,012.28x = 7,458,642.12
  5. Step 5: Solve for x
    x = 7,458,642.12/4,012.28
  6. Step 6: Final answer
    x = 1,858.95

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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.