Home / 7,243.14-10,864.70-2,313.20

Finding the Fourth Proportional to 7,243.14, 10,864.70 and 2,313.20

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Solution

The fourth proportional to 7,243.14, 10,864.70 and 2,313.20 is: 3,469.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.14 : 10,864.70 = 2,313.20 : x
  2. Step 2: Convert to fraction form
    7,243.14/10,864.70 = 2,313.20/x
  3. Step 3: Cross multiply
    7,243.14x = 10,864.70 × 2,313.20
  4. Step 4: Simplify right side
    7,243.14x = 25,132,224.04
  5. Step 5: Solve for x
    x = 25,132,224.04/7,243.14
  6. Step 6: Final answer
    x = 3,469.80

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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.