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Finding the Fourth Proportional to 6,459.03, 8,909.22 and 3,804.57

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Solution

The fourth proportional to 6,459.03, 8,909.22 and 3,804.57 is: 5,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.03 : 8,909.22 = 3,804.57 : x
  2. Step 2: Convert to fraction form
    6,459.03/8,909.22 = 3,804.57/x
  3. Step 3: Cross multiply
    6,459.03x = 8,909.22 × 3,804.57
  4. Step 4: Simplify right side
    6,459.03x = 33,895,751.14
  5. Step 5: Solve for x
    x = 33,895,751.14/6,459.03
  6. Step 6: Final answer
    x = 5,247.81

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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.