Home / 5,043.71-6,960.09-2,805.41

Finding the Fourth Proportional to 5,043.71, 6,960.09 and 2,805.41

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Solution

The fourth proportional to 5,043.71, 6,960.09 and 2,805.41 is: 3,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.71 : 6,960.09 = 2,805.41 : x
  2. Step 2: Convert to fraction form
    5,043.71/6,960.09 = 2,805.41/x
  3. Step 3: Cross multiply
    5,043.71x = 6,960.09 × 2,805.41
  4. Step 4: Simplify right side
    5,043.71x = 19,525,871.29
  5. Step 5: Solve for x
    x = 19,525,871.29/5,043.71
  6. Step 6: Final answer
    x = 3,871.33

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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.