Home / 7,160.39-10,736.94-2,479.90

Finding the Fourth Proportional to 7,160.39, 10,736.94 and 2,479.90

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Solution

The fourth proportional to 7,160.39, 10,736.94 and 2,479.90 is: 3,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.39 : 10,736.94 = 2,479.90 : x
  2. Step 2: Convert to fraction form
    7,160.39/10,736.94 = 2,479.90/x
  3. Step 3: Cross multiply
    7,160.39x = 10,736.94 × 2,479.90
  4. Step 4: Simplify right side
    7,160.39x = 26,626,537.51
  5. Step 5: Solve for x
    x = 26,626,537.51/7,160.39
  6. Step 6: Final answer
    x = 3,718.59

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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.