Home / 8,181.16-11,295.22-5,039.16

Finding the Fourth Proportional to 8,181.16, 11,295.22 and 5,039.16

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Solution

The fourth proportional to 8,181.16, 11,295.22 and 5,039.16 is: 6,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.16 : 11,295.22 = 5,039.16 : x
  2. Step 2: Convert to fraction form
    8,181.16/11,295.22 = 5,039.16/x
  3. Step 3: Cross multiply
    8,181.16x = 11,295.22 × 5,039.16
  4. Step 4: Simplify right side
    8,181.16x = 56,918,420.82
  5. Step 5: Solve for x
    x = 56,918,420.82/8,181.16
  6. Step 6: Final answer
    x = 6,957.26

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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.