Home / 6,239.90-8,611.26-3,587.96

Finding the Fourth Proportional to 6,239.90, 8,611.26 and 3,587.96

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Solution

The fourth proportional to 6,239.90, 8,611.26 and 3,587.96 is: 4,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.90 : 8,611.26 = 3,587.96 : x
  2. Step 2: Convert to fraction form
    6,239.90/8,611.26 = 3,587.96/x
  3. Step 3: Cross multiply
    6,239.90x = 8,611.26 × 3,587.96
  4. Step 4: Simplify right side
    6,239.90x = 30,896,856.43
  5. Step 5: Solve for x
    x = 30,896,856.43/6,239.90
  6. Step 6: Final answer
    x = 4,951.50

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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.