Home / 4,448.81-6,142.22-2,856.15

Finding the Fourth Proportional to 4,448.81, 6,142.22 and 2,856.15

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Solution

The fourth proportional to 4,448.81, 6,142.22 and 2,856.15 is: 3,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.81 : 6,142.22 = 2,856.15 : x
  2. Step 2: Convert to fraction form
    4,448.81/6,142.22 = 2,856.15/x
  3. Step 3: Cross multiply
    4,448.81x = 6,142.22 × 2,856.15
  4. Step 4: Simplify right side
    4,448.81x = 17,543,087.37
  5. Step 5: Solve for x
    x = 17,543,087.37/4,448.81
  6. Step 6: Final answer
    x = 3,943.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.