Home / 5,124.49-7,071.82-2,886.41

Finding the Fourth Proportional to 5,124.49, 7,071.82 and 2,886.41

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Solution

The fourth proportional to 5,124.49, 7,071.82 and 2,886.41 is: 3,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.49 : 7,071.82 = 2,886.41 : x
  2. Step 2: Convert to fraction form
    5,124.49/7,071.82 = 2,886.41/x
  3. Step 3: Cross multiply
    5,124.49x = 7,071.82 × 2,886.41
  4. Step 4: Simplify right side
    5,124.49x = 20,412,171.97
  5. Step 5: Solve for x
    x = 20,412,171.97/5,124.49
  6. Step 6: Final answer
    x = 3,983.26

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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.