Home / 7,305.21-10,955.79-3,144.29

Finding the Fourth Proportional to 7,305.21, 10,955.79 and 3,144.29

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Solution

The fourth proportional to 7,305.21, 10,955.79 and 3,144.29 is: 4,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.21 : 10,955.79 = 3,144.29 : x
  2. Step 2: Convert to fraction form
    7,305.21/10,955.79 = 3,144.29/x
  3. Step 3: Cross multiply
    7,305.21x = 10,955.79 × 3,144.29
  4. Step 4: Simplify right side
    7,305.21x = 34,448,126.16
  5. Step 5: Solve for x
    x = 34,448,126.16/7,305.21
  6. Step 6: Final answer
    x = 4,715.56

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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.