Home / 4,012.76-6,019.29-1,239.18

Finding the Fourth Proportional to 4,012.76, 6,019.29 and 1,239.18

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Solution

The fourth proportional to 4,012.76, 6,019.29 and 1,239.18 is: 1,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.76 : 6,019.29 = 1,239.18 : x
  2. Step 2: Convert to fraction form
    4,012.76/6,019.29 = 1,239.18/x
  3. Step 3: Cross multiply
    4,012.76x = 6,019.29 × 1,239.18
  4. Step 4: Simplify right side
    4,012.76x = 7,458,983.78
  5. Step 5: Solve for x
    x = 7,458,983.78/4,012.76
  6. Step 6: Final answer
    x = 1,858.82

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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.