Home / 6,240.39-8,611.74-3,445.89

Finding the Fourth Proportional to 6,240.39, 8,611.74 and 3,445.89

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Solution

The fourth proportional to 6,240.39, 8,611.74 and 3,445.89 is: 4,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.39 : 8,611.74 = 3,445.89 : x
  2. Step 2: Convert to fraction form
    6,240.39/8,611.74 = 3,445.89/x
  3. Step 3: Cross multiply
    6,240.39x = 8,611.74 × 3,445.89
  4. Step 4: Simplify right side
    6,240.39x = 29,675,108.75
  5. Step 5: Solve for x
    x = 29,675,108.75/6,240.39
  6. Step 6: Final answer
    x = 4,755.33

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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.