Home / 7,078.16-10,620.48-2,696.60

Finding the Fourth Proportional to 7,078.16, 10,620.48 and 2,696.60

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Solution

The fourth proportional to 7,078.16, 10,620.48 and 2,696.60 is: 4,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.16 : 10,620.48 = 2,696.60 : x
  2. Step 2: Convert to fraction form
    7,078.16/10,620.48 = 2,696.60/x
  3. Step 3: Cross multiply
    7,078.16x = 10,620.48 × 2,696.60
  4. Step 4: Simplify right side
    7,078.16x = 28,639,186.37
  5. Step 5: Solve for x
    x = 28,639,186.37/7,078.16
  6. Step 6: Final answer
    x = 4,046.13

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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.