Home / 6,396.32-8,830.37-4,487.98

Finding the Fourth Proportional to 6,396.32, 8,830.37 and 4,487.98

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Solution

The fourth proportional to 6,396.32, 8,830.37 and 4,487.98 is: 6,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,396.32 : 8,830.37 = 4,487.98 : x
  2. Step 2: Convert to fraction form
    6,396.32/8,830.37 = 4,487.98/x
  3. Step 3: Cross multiply
    6,396.32x = 8,830.37 × 4,487.98
  4. Step 4: Simplify right side
    6,396.32x = 39,630,523.95
  5. Step 5: Solve for x
    x = 39,630,523.95/6,396.32
  6. Step 6: Final answer
    x = 6,195.83

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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.