Home / 7,126.29-9,833.92-4,141.64

Finding the Fourth Proportional to 7,126.29, 9,833.92 and 4,141.64

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Solution

The fourth proportional to 7,126.29, 9,833.92 and 4,141.64 is: 5,715.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.29 : 9,833.92 = 4,141.64 : x
  2. Step 2: Convert to fraction form
    7,126.29/9,833.92 = 4,141.64/x
  3. Step 3: Cross multiply
    7,126.29x = 9,833.92 × 4,141.64
  4. Step 4: Simplify right side
    7,126.29x = 40,728,570.66
  5. Step 5: Solve for x
    x = 40,728,570.66/7,126.29
  6. Step 6: Final answer
    x = 5,715.26

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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.