Home / 8,918.10-13,377.14-3,074.25

Finding the Fourth Proportional to 8,918.10, 13,377.14 and 3,074.25

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Solution

The fourth proportional to 8,918.10, 13,377.14 and 3,074.25 is: 4,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.10 : 13,377.14 = 3,074.25 : x
  2. Step 2: Convert to fraction form
    8,918.10/13,377.14 = 3,074.25/x
  3. Step 3: Cross multiply
    8,918.10x = 13,377.14 × 3,074.25
  4. Step 4: Simplify right side
    8,918.10x = 41,124,680.33
  5. Step 5: Solve for x
    x = 41,124,680.33/8,918.10
  6. Step 6: Final answer
    x = 4,611.37

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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.