Home / 6,647.28-9,163.32-5,466.36

Finding the Fourth Proportional to 6,647.28, 9,163.32 and 5,466.36

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Solution

The fourth proportional to 6,647.28, 9,163.32 and 5,466.36 is: 7,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.28 : 9,163.32 = 5,466.36 : x
  2. Step 2: Convert to fraction form
    6,647.28/9,163.32 = 5,466.36/x
  3. Step 3: Cross multiply
    6,647.28x = 9,163.32 × 5,466.36
  4. Step 4: Simplify right side
    6,647.28x = 50,090,005.92
  5. Step 5: Solve for x
    x = 50,090,005.92/6,647.28
  6. Step 6: Final answer
    x = 7,535.41

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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.