Home / 5,104.40-7,043.76-2,866.43

Finding the Fourth Proportional to 5,104.40, 7,043.76 and 2,866.43

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Solution

The fourth proportional to 5,104.40, 7,043.76 and 2,866.43 is: 3,955.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.40 : 7,043.76 = 2,866.43 : x
  2. Step 2: Convert to fraction form
    5,104.40/7,043.76 = 2,866.43/x
  3. Step 3: Cross multiply
    5,104.40x = 7,043.76 × 2,866.43
  4. Step 4: Simplify right side
    5,104.40x = 20,190,462.59
  5. Step 5: Solve for x
    x = 20,190,462.59/5,104.40
  6. Step 6: Final answer
    x = 3,955.51

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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.