Home / 8,192.44-11,293.32-6,420.97

Finding the Fourth Proportional to 8,192.44, 11,293.32 and 6,420.97

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Solution

The fourth proportional to 8,192.44, 11,293.32 and 6,420.97 is: 8,851.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.44 : 11,293.32 = 6,420.97 : x
  2. Step 2: Convert to fraction form
    8,192.44/11,293.32 = 6,420.97/x
  3. Step 3: Cross multiply
    8,192.44x = 11,293.32 × 6,420.97
  4. Step 4: Simplify right side
    8,192.44x = 72,514,068.92
  5. Step 5: Solve for x
    x = 72,514,068.92/8,192.44
  6. Step 6: Final answer
    x = 8,851.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.