Home / 4,012.47-6,018.39-1,239.03

Finding the Fourth Proportional to 4,012.47, 6,018.39 and 1,239.03

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Solution

The fourth proportional to 4,012.47, 6,018.39 and 1,239.03 is: 1,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.47 : 6,018.39 = 1,239.03 : x
  2. Step 2: Convert to fraction form
    4,012.47/6,018.39 = 1,239.03/x
  3. Step 3: Cross multiply
    4,012.47x = 6,018.39 × 1,239.03
  4. Step 4: Simplify right side
    4,012.47x = 7,456,965.76
  5. Step 5: Solve for x
    x = 7,456,965.76/4,012.47
  6. Step 6: Final answer
    x = 1,858.45

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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.