Home / 7,323.66-10,989.36-3,994.31

Finding the Fourth Proportional to 7,323.66, 10,989.36 and 3,994.31

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Solution

The fourth proportional to 7,323.66, 10,989.36 and 3,994.31 is: 5,993.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.66 : 10,989.36 = 3,994.31 : x
  2. Step 2: Convert to fraction form
    7,323.66/10,989.36 = 3,994.31/x
  3. Step 3: Cross multiply
    7,323.66x = 10,989.36 × 3,994.31
  4. Step 4: Simplify right side
    7,323.66x = 43,894,855.59
  5. Step 5: Solve for x
    x = 43,894,855.59/7,323.66
  6. Step 6: Final answer
    x = 5,993.57

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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.