Home / 7,286.96-10,055.19-4,099.64

Finding the Fourth Proportional to 7,286.96, 10,055.19 and 4,099.64

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Solution

The fourth proportional to 7,286.96, 10,055.19 and 4,099.64 is: 5,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.96 : 10,055.19 = 4,099.64 : x
  2. Step 2: Convert to fraction form
    7,286.96/10,055.19 = 4,099.64/x
  3. Step 3: Cross multiply
    7,286.96x = 10,055.19 × 4,099.64
  4. Step 4: Simplify right side
    7,286.96x = 41,222,659.13
  5. Step 5: Solve for x
    x = 41,222,659.13/7,286.96
  6. Step 6: Final answer
    x = 5,657.04

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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.