Home / 4,199.40-6,297.98-1,276.92

Finding the Fourth Proportional to 4,199.40, 6,297.98 and 1,276.92

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Solution

The fourth proportional to 4,199.40, 6,297.98 and 1,276.92 is: 1,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.40 : 6,297.98 = 1,276.92 : x
  2. Step 2: Convert to fraction form
    4,199.40/6,297.98 = 1,276.92/x
  3. Step 3: Cross multiply
    4,199.40x = 6,297.98 × 1,276.92
  4. Step 4: Simplify right side
    4,199.40x = 8,042,010.24
  5. Step 5: Solve for x
    x = 8,042,010.24/4,199.40
  6. Step 6: Final answer
    x = 1,915.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.