Home / 6,629.45-9,146.78-4,272.96

Finding the Fourth Proportional to 6,629.45, 9,146.78 and 4,272.96

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Solution

The fourth proportional to 6,629.45, 9,146.78 and 4,272.96 is: 5,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.45 : 9,146.78 = 4,272.96 : x
  2. Step 2: Convert to fraction form
    6,629.45/9,146.78 = 4,272.96/x
  3. Step 3: Cross multiply
    6,629.45x = 9,146.78 × 4,272.96
  4. Step 4: Simplify right side
    6,629.45x = 39,083,803.70
  5. Step 5: Solve for x
    x = 39,083,803.70/6,629.45
  6. Step 6: Final answer
    x = 5,895.48

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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.