Home / 6,247.12-8,611.01-4,229.89

Finding the Fourth Proportional to 6,247.12, 8,611.01 and 4,229.89

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Solution

The fourth proportional to 6,247.12, 8,611.01 and 4,229.89 is: 5,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.12 : 8,611.01 = 4,229.89 : x
  2. Step 2: Convert to fraction form
    6,247.12/8,611.01 = 4,229.89/x
  3. Step 3: Cross multiply
    6,247.12x = 8,611.01 × 4,229.89
  4. Step 4: Simplify right side
    6,247.12x = 36,423,625.09
  5. Step 5: Solve for x
    x = 36,423,625.09/6,247.12
  6. Step 6: Final answer
    x = 5,830.47

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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.