Home / 5,156.33-7,734.48-1,869.41

Finding the Fourth Proportional to 5,156.33, 7,734.48 and 1,869.41

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Solution

The fourth proportional to 5,156.33, 7,734.48 and 1,869.41 is: 2,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.33 : 7,734.48 = 1,869.41 : x
  2. Step 2: Convert to fraction form
    5,156.33/7,734.48 = 1,869.41/x
  3. Step 3: Cross multiply
    5,156.33x = 7,734.48 × 1,869.41
  4. Step 4: Simplify right side
    5,156.33x = 14,458,914.26
  5. Step 5: Solve for x
    x = 14,458,914.26/5,156.33
  6. Step 6: Final answer
    x = 2,804.11

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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.