Home / 4,018.68-6,028.72-1,386.08

Finding the Fourth Proportional to 4,018.68, 6,028.72 and 1,386.08

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Solution

The fourth proportional to 4,018.68, 6,028.72 and 1,386.08 is: 2,079.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,018.68 : 6,028.72 = 1,386.08 : x
  2. Step 2: Convert to fraction form
    4,018.68/6,028.72 = 1,386.08/x
  3. Step 3: Cross multiply
    4,018.68x = 6,028.72 × 1,386.08
  4. Step 4: Simplify right side
    4,018.68x = 8,356,288.22
  5. Step 5: Solve for x
    x = 8,356,288.22/4,018.68
  6. Step 6: Final answer
    x = 2,079.36

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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.