Home / 5,409.25-8,106.88-2,774.57

Finding the Fourth Proportional to 5,409.25, 8,106.88 and 2,774.57

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Solution

The fourth proportional to 5,409.25, 8,106.88 and 2,774.57 is: 4,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.25 : 8,106.88 = 2,774.57 : x
  2. Step 2: Convert to fraction form
    5,409.25/8,106.88 = 2,774.57/x
  3. Step 3: Cross multiply
    5,409.25x = 8,106.88 × 2,774.57
  4. Step 4: Simplify right side
    5,409.25x = 22,493,106.04
  5. Step 5: Solve for x
    x = 22,493,106.04/5,409.25
  6. Step 6: Final answer
    x = 4,158.27

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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.