Home / 7,631.86-11,445.31-2,436.50

Finding the Fourth Proportional to 7,631.86, 11,445.31 and 2,436.50

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Solution

The fourth proportional to 7,631.86, 11,445.31 and 2,436.50 is: 3,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.86 : 11,445.31 = 2,436.50 : x
  2. Step 2: Convert to fraction form
    7,631.86/11,445.31 = 2,436.50/x
  3. Step 3: Cross multiply
    7,631.86x = 11,445.31 × 2,436.50
  4. Step 4: Simplify right side
    7,631.86x = 27,886,497.82
  5. Step 5: Solve for x
    x = 27,886,497.82/7,631.86
  6. Step 6: Final answer
    x = 3,653.96

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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.