Home / 7,890.03-11,835.86-2,696.31

Finding the Fourth Proportional to 7,890.03, 11,835.86 and 2,696.31

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Solution

The fourth proportional to 7,890.03, 11,835.86 and 2,696.31 is: 4,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.03 : 11,835.86 = 2,696.31 : x
  2. Step 2: Convert to fraction form
    7,890.03/11,835.86 = 2,696.31/x
  3. Step 3: Cross multiply
    7,890.03x = 11,835.86 × 2,696.31
  4. Step 4: Simplify right side
    7,890.03x = 31,913,134.20
  5. Step 5: Solve for x
    x = 31,913,134.20/7,890.03
  6. Step 6: Final answer
    x = 4,044.74

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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.