Home / 7,742.88-10,684.64-4,293.44

Finding the Fourth Proportional to 7,742.88, 10,684.64 and 4,293.44

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Solution

The fourth proportional to 7,742.88, 10,684.64 and 4,293.44 is: 5,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.88 : 10,684.64 = 4,293.44 : x
  2. Step 2: Convert to fraction form
    7,742.88/10,684.64 = 4,293.44/x
  3. Step 3: Cross multiply
    7,742.88x = 10,684.64 × 4,293.44
  4. Step 4: Simplify right side
    7,742.88x = 45,873,796.60
  5. Step 5: Solve for x
    x = 45,873,796.60/7,742.88
  6. Step 6: Final answer
    x = 5,924.64

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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.