Home / 7,824.87-11,726.24-4,119.62

Finding the Fourth Proportional to 7,824.87, 11,726.24 and 4,119.62

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Solution

The fourth proportional to 7,824.87, 11,726.24 and 4,119.62 is: 6,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.87 : 11,726.24 = 4,119.62 : x
  2. Step 2: Convert to fraction form
    7,824.87/11,726.24 = 4,119.62/x
  3. Step 3: Cross multiply
    7,824.87x = 11,726.24 × 4,119.62
  4. Step 4: Simplify right side
    7,824.87x = 48,307,573.60
  5. Step 5: Solve for x
    x = 48,307,573.60/7,824.87
  6. Step 6: Final answer
    x = 6,173.59

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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.