Home / 8,419.24-11,608.50-6,180.28

Finding the Fourth Proportional to 8,419.24, 11,608.50 and 6,180.28

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Solution

The fourth proportional to 8,419.24, 11,608.50 and 6,180.28 is: 8,521.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.24 : 11,608.50 = 6,180.28 : x
  2. Step 2: Convert to fraction form
    8,419.24/11,608.50 = 6,180.28/x
  3. Step 3: Cross multiply
    8,419.24x = 11,608.50 × 6,180.28
  4. Step 4: Simplify right side
    8,419.24x = 71,743,780.38
  5. Step 5: Solve for x
    x = 71,743,780.38/8,419.24
  6. Step 6: Final answer
    x = 8,521.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.