Home / 7,209.37-10,812.61-2,015.29

Finding the Fourth Proportional to 7,209.37, 10,812.61 and 2,015.29

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Solution

The fourth proportional to 7,209.37, 10,812.61 and 2,015.29 is: 3,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.37 : 10,812.61 = 2,015.29 : x
  2. Step 2: Convert to fraction form
    7,209.37/10,812.61 = 2,015.29/x
  3. Step 3: Cross multiply
    7,209.37x = 10,812.61 × 2,015.29
  4. Step 4: Simplify right side
    7,209.37x = 21,790,544.81
  5. Step 5: Solve for x
    x = 21,790,544.81/7,209.37
  6. Step 6: Final answer
    x = 3,022.53

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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.