Home / 6,912.66-9,536.44-4,673.72

Finding the Fourth Proportional to 6,912.66, 9,536.44 and 4,673.72

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Solution

The fourth proportional to 6,912.66, 9,536.44 and 4,673.72 is: 6,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.66 : 9,536.44 = 4,673.72 : x
  2. Step 2: Convert to fraction form
    6,912.66/9,536.44 = 4,673.72/x
  3. Step 3: Cross multiply
    6,912.66x = 9,536.44 × 4,673.72
  4. Step 4: Simplify right side
    6,912.66x = 44,570,662.51
  5. Step 5: Solve for x
    x = 44,570,662.51/6,912.66
  6. Step 6: Final answer
    x = 6,447.69

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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.