Home / 6,873.60-9,485.56-3,729.79

Finding the Fourth Proportional to 6,873.60, 9,485.56 and 3,729.79

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Solution

The fourth proportional to 6,873.60, 9,485.56 and 3,729.79 is: 5,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.60 : 9,485.56 = 3,729.79 : x
  2. Step 2: Convert to fraction form
    6,873.60/9,485.56 = 3,729.79/x
  3. Step 3: Cross multiply
    6,873.60x = 9,485.56 × 3,729.79
  4. Step 4: Simplify right side
    6,873.60x = 35,379,099.40
  5. Step 5: Solve for x
    x = 35,379,099.40/6,873.60
  6. Step 6: Final answer
    x = 5,147.10

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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.