Home / 6,647.28-9,172.88-3,662.52

Finding the Fourth Proportional to 6,647.28, 9,172.88 and 3,662.52

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Solution

The fourth proportional to 6,647.28, 9,172.88 and 3,662.52 is: 5,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.28 : 9,172.88 = 3,662.52 : x
  2. Step 2: Convert to fraction form
    6,647.28/9,172.88 = 3,662.52/x
  3. Step 3: Cross multiply
    6,647.28x = 9,172.88 × 3,662.52
  4. Step 4: Simplify right side
    6,647.28x = 33,595,856.46
  5. Step 5: Solve for x
    x = 33,595,856.46/6,647.28
  6. Step 6: Final answer
    x = 5,054.08

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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.