Home / 7,324.15-10,990.10-3,994.81

Finding the Fourth Proportional to 7,324.15, 10,990.10 and 3,994.81

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Solution

The fourth proportional to 7,324.15, 10,990.10 and 3,994.81 is: 5,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.15 : 10,990.10 = 3,994.81 : x
  2. Step 2: Convert to fraction form
    7,324.15/10,990.10 = 3,994.81/x
  3. Step 3: Cross multiply
    7,324.15x = 10,990.10 × 3,994.81
  4. Step 4: Simplify right side
    7,324.15x = 43,903,316.42
  5. Step 5: Solve for x
    x = 43,903,316.42/7,324.15
  6. Step 6: Final answer
    x = 5,994.32

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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.