Home / 5,091.29-7,636.45-1,969.41

Finding the Fourth Proportional to 5,091.29, 7,636.45 and 1,969.41

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Solution

The fourth proportional to 5,091.29, 7,636.45 and 1,969.41 is: 2,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.29 : 7,636.45 = 1,969.41 : x
  2. Step 2: Convert to fraction form
    5,091.29/7,636.45 = 1,969.41/x
  3. Step 3: Cross multiply
    5,091.29x = 7,636.45 × 1,969.41
  4. Step 4: Simplify right side
    5,091.29x = 15,039,300.99
  5. Step 5: Solve for x
    x = 15,039,300.99/5,091.29
  6. Step 6: Final answer
    x = 2,953.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.