Home / 7,429.56-10,253.09-4,243.38

Finding the Fourth Proportional to 7,429.56, 10,253.09 and 4,243.38

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Solution

The fourth proportional to 7,429.56, 10,253.09 and 4,243.38 is: 5,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.56 : 10,253.09 = 4,243.38 : x
  2. Step 2: Convert to fraction form
    7,429.56/10,253.09 = 4,243.38/x
  3. Step 3: Cross multiply
    7,429.56x = 10,253.09 × 4,243.38
  4. Step 4: Simplify right side
    7,429.56x = 43,507,757.04
  5. Step 5: Solve for x
    x = 43,507,757.04/7,429.56
  6. Step 6: Final answer
    x = 5,856.03

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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.