Home / 7,078.48-10,619.32-2,696.08

Finding the Fourth Proportional to 7,078.48, 10,619.32 and 2,696.08

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Solution

The fourth proportional to 7,078.48, 10,619.32 and 2,696.08 is: 4,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.48 : 10,619.32 = 2,696.08 : x
  2. Step 2: Convert to fraction form
    7,078.48/10,619.32 = 2,696.08/x
  3. Step 3: Cross multiply
    7,078.48x = 10,619.32 × 2,696.08
  4. Step 4: Simplify right side
    7,078.48x = 28,630,536.27
  5. Step 5: Solve for x
    x = 28,630,536.27/7,078.48
  6. Step 6: Final answer
    x = 4,044.73

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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.