Home / 7,723.51-11,584.65-2,458.72

Finding the Fourth Proportional to 7,723.51, 11,584.65 and 2,458.72

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Solution

The fourth proportional to 7,723.51, 11,584.65 and 2,458.72 is: 3,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.51 : 11,584.65 = 2,458.72 : x
  2. Step 2: Convert to fraction form
    7,723.51/11,584.65 = 2,458.72/x
  3. Step 3: Cross multiply
    7,723.51x = 11,584.65 × 2,458.72
  4. Step 4: Simplify right side
    7,723.51x = 28,483,364.73
  5. Step 5: Solve for x
    x = 28,483,364.73/7,723.51
  6. Step 6: Final answer
    x = 3,687.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.