Home / 6,238.85-8,611.06-3,587.79

Finding the Fourth Proportional to 6,238.85, 8,611.06 and 3,587.79

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Solution

The fourth proportional to 6,238.85, 8,611.06 and 3,587.79 is: 4,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.85 : 8,611.06 = 3,587.79 : x
  2. Step 2: Convert to fraction form
    6,238.85/8,611.06 = 3,587.79/x
  3. Step 3: Cross multiply
    6,238.85x = 8,611.06 × 3,587.79
  4. Step 4: Simplify right side
    6,238.85x = 30,894,674.96
  5. Step 5: Solve for x
    x = 30,894,674.96/6,238.85
  6. Step 6: Final answer
    x = 4,951.98

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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.