Home / 7,040.09-9,715.24-3,853.37

Finding the Fourth Proportional to 7,040.09, 9,715.24 and 3,853.37

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Solution

The fourth proportional to 7,040.09, 9,715.24 and 3,853.37 is: 5,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.09 : 9,715.24 = 3,853.37 : x
  2. Step 2: Convert to fraction form
    7,040.09/9,715.24 = 3,853.37/x
  3. Step 3: Cross multiply
    7,040.09x = 9,715.24 × 3,853.37
  4. Step 4: Simplify right side
    7,040.09x = 37,436,429.01
  5. Step 5: Solve for x
    x = 37,436,429.01/7,040.09
  6. Step 6: Final answer
    x = 5,317.61

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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.