Home / 6,647.94-9,173.75-3,663.61

Finding the Fourth Proportional to 6,647.94, 9,173.75 and 3,663.61

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Solution

The fourth proportional to 6,647.94, 9,173.75 and 3,663.61 is: 5,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.94 : 9,173.75 = 3,663.61 : x
  2. Step 2: Convert to fraction form
    6,647.94/9,173.75 = 3,663.61/x
  3. Step 3: Cross multiply
    6,647.94x = 9,173.75 × 3,663.61
  4. Step 4: Simplify right side
    6,647.94x = 33,609,000.99
  5. Step 5: Solve for x
    x = 33,609,000.99/6,647.94
  6. Step 6: Final answer
    x = 5,055.55

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1.5x scale

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.