Home / 6,240.31-8,611.58-3,445.75

Finding the Fourth Proportional to 6,240.31, 8,611.58 and 3,445.75

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Solution

The fourth proportional to 6,240.31, 8,611.58 and 3,445.75 is: 4,755.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.31 : 8,611.58 = 3,445.75 : x
  2. Step 2: Convert to fraction form
    6,240.31/8,611.58 = 3,445.75/x
  3. Step 3: Cross multiply
    6,240.31x = 8,611.58 × 3,445.75
  4. Step 4: Simplify right side
    6,240.31x = 29,673,334.56
  5. Step 5: Solve for x
    x = 29,673,334.56/6,240.31
  6. Step 6: Final answer
    x = 4,755.11

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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.