Home / 7,111.04-10,664.97-3,992.44

Finding the Fourth Proportional to 7,111.04, 10,664.97 and 3,992.44

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Solution

The fourth proportional to 7,111.04, 10,664.97 and 3,992.44 is: 5,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.04 : 10,664.97 = 3,992.44 : x
  2. Step 2: Convert to fraction form
    7,111.04/10,664.97 = 3,992.44/x
  3. Step 3: Cross multiply
    7,111.04x = 10,664.97 × 3,992.44
  4. Step 4: Simplify right side
    7,111.04x = 42,579,231.19
  5. Step 5: Solve for x
    x = 42,579,231.19/7,111.04
  6. Step 6: Final answer
    x = 5,987.76

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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.