Home / 8,181.02-11,288.68-4,643.55

Finding the Fourth Proportional to 8,181.02, 11,288.68 and 4,643.55

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Solution

The fourth proportional to 8,181.02, 11,288.68 and 4,643.55 is: 6,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.02 : 11,288.68 = 4,643.55 : x
  2. Step 2: Convert to fraction form
    8,181.02/11,288.68 = 4,643.55/x
  3. Step 3: Cross multiply
    8,181.02x = 11,288.68 × 4,643.55
  4. Step 4: Simplify right side
    8,181.02x = 52,419,550.01
  5. Step 5: Solve for x
    x = 52,419,550.01/8,181.02
  6. Step 6: Final answer
    x = 6,407.46

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Similar ratio
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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.