Home / 7,890.60-11,837.04-2,343.26

Finding the Fourth Proportional to 7,890.60, 11,837.04 and 2,343.26

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Solution

The fourth proportional to 7,890.60, 11,837.04 and 2,343.26 is: 3,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.60 : 11,837.04 = 2,343.26 : x
  2. Step 2: Convert to fraction form
    7,890.60/11,837.04 = 2,343.26/x
  3. Step 3: Cross multiply
    7,890.60x = 11,837.04 × 2,343.26
  4. Step 4: Simplify right side
    7,890.60x = 27,737,262.35
  5. Step 5: Solve for x
    x = 27,737,262.35/7,890.60
  6. Step 6: Final answer
    x = 3,515.23

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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.