Home / 7,183.84-9,912.90-4,039.96

Finding the Fourth Proportional to 7,183.84, 9,912.90 and 4,039.96

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Solution

The fourth proportional to 7,183.84, 9,912.90 and 4,039.96 is: 5,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.84 : 9,912.90 = 4,039.96 : x
  2. Step 2: Convert to fraction form
    7,183.84/9,912.90 = 4,039.96/x
  3. Step 3: Cross multiply
    7,183.84x = 9,912.90 × 4,039.96
  4. Step 4: Simplify right side
    7,183.84x = 40,047,719.48
  5. Step 5: Solve for x
    x = 40,047,719.48/7,183.84
  6. Step 6: Final answer
    x = 5,574.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.