Home / 7,661.40-11,494.58-3,763.07

Finding the Fourth Proportional to 7,661.40, 11,494.58 and 3,763.07

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Solution

The fourth proportional to 7,661.40, 11,494.58 and 3,763.07 is: 5,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.40 : 11,494.58 = 3,763.07 : x
  2. Step 2: Convert to fraction form
    7,661.40/11,494.58 = 3,763.07/x
  3. Step 3: Cross multiply
    7,661.40x = 11,494.58 × 3,763.07
  4. Step 4: Simplify right side
    7,661.40x = 43,254,919.08
  5. Step 5: Solve for x
    x = 43,254,919.08/7,661.40
  6. Step 6: Final answer
    x = 5,645.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.