Home / 6,240.28-8,611.56-3,445.80

Finding the Fourth Proportional to 6,240.28, 8,611.56 and 3,445.80

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Solution

The fourth proportional to 6,240.28, 8,611.56 and 3,445.80 is: 4,755.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.28 : 8,611.56 = 3,445.80 : x
  2. Step 2: Convert to fraction form
    6,240.28/8,611.56 = 3,445.80/x
  3. Step 3: Cross multiply
    6,240.28x = 8,611.56 × 3,445.80
  4. Step 4: Simplify right side
    6,240.28x = 29,673,713.45
  5. Step 5: Solve for x
    x = 29,673,713.45/6,240.28
  6. Step 6: Final answer
    x = 4,755.19

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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.