Home / 6,462.72-8,918.88-3,669.12

Finding the Fourth Proportional to 6,462.72, 8,918.88 and 3,669.12

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Solution

The fourth proportional to 6,462.72, 8,918.88 and 3,669.12 is: 5,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.72 : 8,918.88 = 3,669.12 : x
  2. Step 2: Convert to fraction form
    6,462.72/8,918.88 = 3,669.12/x
  3. Step 3: Cross multiply
    6,462.72x = 8,918.88 × 3,669.12
  4. Step 4: Simplify right side
    6,462.72x = 32,724,440.99
  5. Step 5: Solve for x
    x = 32,724,440.99/6,462.72
  6. Step 6: Final answer
    x = 5,063.57

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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.