Home / 7,429.32-10,252.73-4,072.43

Finding the Fourth Proportional to 7,429.32, 10,252.73 and 4,072.43

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Solution

The fourth proportional to 7,429.32, 10,252.73 and 4,072.43 is: 5,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.32 : 10,252.73 = 4,072.43 : x
  2. Step 2: Convert to fraction form
    7,429.32/10,252.73 = 4,072.43/x
  3. Step 3: Cross multiply
    7,429.32x = 10,252.73 × 4,072.43
  4. Step 4: Simplify right side
    7,429.32x = 41,753,561.05
  5. Step 5: Solve for x
    x = 41,753,561.05/7,429.32
  6. Step 6: Final answer
    x = 5,620.11

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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.