Home / 6,873.28-9,485.14-3,729.48

Finding the Fourth Proportional to 6,873.28, 9,485.14 and 3,729.48

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Solution

The fourth proportional to 6,873.28, 9,485.14 and 3,729.48 is: 5,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.28 : 9,485.14 = 3,729.48 : x
  2. Step 2: Convert to fraction form
    6,873.28/9,485.14 = 3,729.48/x
  3. Step 3: Cross multiply
    6,873.28x = 9,485.14 × 3,729.48
  4. Step 4: Simplify right side
    6,873.28x = 35,374,639.93
  5. Step 5: Solve for x
    x = 35,374,639.93/6,873.28
  6. Step 6: Final answer
    x = 5,146.69

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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.