Home / 7,431.91-10,253.49-4,242.91

Finding the Fourth Proportional to 7,431.91, 10,253.49 and 4,242.91

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Solution

The fourth proportional to 7,431.91, 10,253.49 and 4,242.91 is: 5,853.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.91 : 10,253.49 = 4,242.91 : x
  2. Step 2: Convert to fraction form
    7,431.91/10,253.49 = 4,242.91/x
  3. Step 3: Cross multiply
    7,431.91x = 10,253.49 × 4,242.91
  4. Step 4: Simplify right side
    7,431.91x = 43,504,635.26
  5. Step 5: Solve for x
    x = 43,504,635.26/7,431.91
  6. Step 6: Final answer
    x = 5,853.76

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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.