Home / 6,629.76-9,146.88-3,833.28

Finding the Fourth Proportional to 6,629.76, 9,146.88 and 3,833.28

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Solution

The fourth proportional to 6,629.76, 9,146.88 and 3,833.28 is: 5,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.76 : 9,146.88 = 3,833.28 : x
  2. Step 2: Convert to fraction form
    6,629.76/9,146.88 = 3,833.28/x
  3. Step 3: Cross multiply
    6,629.76x = 9,146.88 × 3,833.28
  4. Step 4: Simplify right side
    6,629.76x = 35,062,552.17
  5. Step 5: Solve for x
    x = 35,062,552.17/6,629.76
  6. Step 6: Final answer
    x = 5,288.66

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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.