Home / 7,896.08-11,851.32-3,512.72

Finding the Fourth Proportional to 7,896.08, 11,851.32 and 3,512.72

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Solution

The fourth proportional to 7,896.08, 11,851.32 and 3,512.72 is: 5,272.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896.08 : 11,851.32 = 3,512.72 : x
  2. Step 2: Convert to fraction form
    7,896.08/11,851.32 = 3,512.72/x
  3. Step 3: Cross multiply
    7,896.08x = 11,851.32 × 3,512.72
  4. Step 4: Simplify right side
    7,896.08x = 41,630,368.79
  5. Step 5: Solve for x
    x = 41,630,368.79/7,896.08
  6. Step 6: Final answer
    x = 5,272.28

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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.