Home / 7,827.10-11,740.66-2,636.62

Finding the Fourth Proportional to 7,827.10, 11,740.66 and 2,636.62

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Solution

The fourth proportional to 7,827.10, 11,740.66 and 2,636.62 is: 3,954.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,827.10 : 11,740.66 = 2,636.62 : x
  2. Step 2: Convert to fraction form
    7,827.10/11,740.66 = 2,636.62/x
  3. Step 3: Cross multiply
    7,827.10x = 11,740.66 × 2,636.62
  4. Step 4: Simplify right side
    7,827.10x = 30,955,623.03
  5. Step 5: Solve for x
    x = 30,955,623.03/7,827.10
  6. Step 6: Final answer
    x = 3,954.93

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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.