Home / 7,994.72-11,990.04-2,371.08

Finding the Fourth Proportional to 7,994.72, 11,990.04 and 2,371.08

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Solution

The fourth proportional to 7,994.72, 11,990.04 and 2,371.08 is: 3,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.72 : 11,990.04 = 2,371.08 : x
  2. Step 2: Convert to fraction form
    7,994.72/11,990.04 = 2,371.08/x
  3. Step 3: Cross multiply
    7,994.72x = 11,990.04 × 2,371.08
  4. Step 4: Simplify right side
    7,994.72x = 28,429,344.04
  5. Step 5: Solve for x
    x = 28,429,344.04/7,994.72
  6. Step 6: Final answer
    x = 3,556.01

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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.