Home / 7,719.99-11,573.51-3,106.23

Finding the Fourth Proportional to 7,719.99, 11,573.51 and 3,106.23

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Solution

The fourth proportional to 7,719.99, 11,573.51 and 3,106.23 is: 4,656.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.99 : 11,573.51 = 3,106.23 : x
  2. Step 2: Convert to fraction form
    7,719.99/11,573.51 = 3,106.23/x
  3. Step 3: Cross multiply
    7,719.99x = 11,573.51 × 3,106.23
  4. Step 4: Simplify right side
    7,719.99x = 35,949,968.44
  5. Step 5: Solve for x
    x = 35,949,968.44/7,719.99
  6. Step 6: Final answer
    x = 4,656.74

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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.