Home / 7,862.40-11,793.24-2,668.23

Finding the Fourth Proportional to 7,862.40, 11,793.24 and 2,668.23

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Solution

The fourth proportional to 7,862.40, 11,793.24 and 2,668.23 is: 4,002.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862.40 : 11,793.24 = 2,668.23 : x
  2. Step 2: Convert to fraction form
    7,862.40/11,793.24 = 2,668.23/x
  3. Step 3: Cross multiply
    7,862.40x = 11,793.24 × 2,668.23
  4. Step 4: Simplify right side
    7,862.40x = 31,467,076.77
  5. Step 5: Solve for x
    x = 31,467,076.77/7,862.40
  6. Step 6: Final answer
    x = 4,002.22

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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.