Home / 4,428.69-6,111.37-2,439.21

Finding the Fourth Proportional to 4,428.69, 6,111.37 and 2,439.21

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Solution

The fourth proportional to 4,428.69, 6,111.37 and 2,439.21 is: 3,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.69 : 6,111.37 = 2,439.21 : x
  2. Step 2: Convert to fraction form
    4,428.69/6,111.37 = 2,439.21/x
  3. Step 3: Cross multiply
    4,428.69x = 6,111.37 × 2,439.21
  4. Step 4: Simplify right side
    4,428.69x = 14,906,908.97
  5. Step 5: Solve for x
    x = 14,906,908.97/4,428.69
  6. Step 6: Final answer
    x = 3,365.98

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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.