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Finding the Fourth Proportional to 5,308.56, 7,326.24 and 2,950.92

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Solution

The fourth proportional to 5,308.56, 7,326.24 and 2,950.92 is: 4,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.56 : 7,326.24 = 2,950.92 : x
  2. Step 2: Convert to fraction form
    5,308.56/7,326.24 = 2,950.92/x
  3. Step 3: Cross multiply
    5,308.56x = 7,326.24 × 2,950.92
  4. Step 4: Simplify right side
    5,308.56x = 21,619,148.14
  5. Step 5: Solve for x
    x = 21,619,148.14/5,308.56
  6. Step 6: Final answer
    x = 4,072.51

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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.