Home / 7,647.14-11,469.36-3,486.16

Finding the Fourth Proportional to 7,647.14, 11,469.36 and 3,486.16

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Solution

The fourth proportional to 7,647.14, 11,469.36 and 3,486.16 is: 5,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.14 : 11,469.36 = 3,486.16 : x
  2. Step 2: Convert to fraction form
    7,647.14/11,469.36 = 3,486.16/x
  3. Step 3: Cross multiply
    7,647.14x = 11,469.36 × 3,486.16
  4. Step 4: Simplify right side
    7,647.14x = 39,984,024.06
  5. Step 5: Solve for x
    x = 39,984,024.06/7,647.14
  6. Step 6: Final answer
    x = 5,228.62

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1.5x scale

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.