Home / 7,890.18-11,833.23-2,342.20

Finding the Fourth Proportional to 7,890.18, 11,833.23 and 2,342.20

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Solution

The fourth proportional to 7,890.18, 11,833.23 and 2,342.20 is: 3,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.18 : 11,833.23 = 2,342.20 : x
  2. Step 2: Convert to fraction form
    7,890.18/11,833.23 = 2,342.20/x
  3. Step 3: Cross multiply
    7,890.18x = 11,833.23 × 2,342.20
  4. Step 4: Simplify right side
    7,890.18x = 27,715,791.31
  5. Step 5: Solve for x
    x = 27,715,791.31/7,890.18
  6. Step 6: Final answer
    x = 3,512.69

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1.5x scale

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.