Home / 6,129.02-8,456.22-3,611.34

Finding the Fourth Proportional to 6,129.02, 8,456.22 and 3,611.34

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Solution

The fourth proportional to 6,129.02, 8,456.22 and 3,611.34 is: 4,982.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.02 : 8,456.22 = 3,611.34 : x
  2. Step 2: Convert to fraction form
    6,129.02/8,456.22 = 3,611.34/x
  3. Step 3: Cross multiply
    6,129.02x = 8,456.22 × 3,611.34
  4. Step 4: Simplify right side
    6,129.02x = 30,538,285.53
  5. Step 5: Solve for x
    x = 30,538,285.53/6,129.02
  6. Step 6: Final answer
    x = 4,982.57

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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.