Home / 7,436.19-10,262.09-4,078.80

Finding the Fourth Proportional to 7,436.19, 10,262.09 and 4,078.80

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Solution

The fourth proportional to 7,436.19, 10,262.09 and 4,078.80 is: 5,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.19 : 10,262.09 = 4,078.80 : x
  2. Step 2: Convert to fraction form
    7,436.19/10,262.09 = 4,078.80/x
  3. Step 3: Cross multiply
    7,436.19x = 10,262.09 × 4,078.80
  4. Step 4: Simplify right side
    7,436.19x = 41,857,012.69
  5. Step 5: Solve for x
    x = 41,857,012.69/7,436.19
  6. Step 6: Final answer
    x = 5,628.83

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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.