Home / 6,873.50-9,485.60-3,729.68

Finding the Fourth Proportional to 6,873.50, 9,485.60 and 3,729.68

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Solution

The fourth proportional to 6,873.50, 9,485.60 and 3,729.68 is: 5,147.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.50 : 9,485.60 = 3,729.68 : x
  2. Step 2: Convert to fraction form
    6,873.50/9,485.60 = 3,729.68/x
  3. Step 3: Cross multiply
    6,873.50x = 9,485.60 × 3,729.68
  4. Step 4: Simplify right side
    6,873.50x = 35,378,186.53
  5. Step 5: Solve for x
    x = 35,378,186.53/6,873.50
  6. Step 6: Final answer
    x = 5,147.04

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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.