Home / 6,406.44-8,840.76-3,611.88

Finding the Fourth Proportional to 6,406.44, 8,840.76 and 3,611.88

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Solution

The fourth proportional to 6,406.44, 8,840.76 and 3,611.88 is: 4,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.44 : 8,840.76 = 3,611.88 : x
  2. Step 2: Convert to fraction form
    6,406.44/8,840.76 = 3,611.88/x
  3. Step 3: Cross multiply
    6,406.44x = 8,840.76 × 3,611.88
  4. Step 4: Simplify right side
    6,406.44x = 31,931,764.23
  5. Step 5: Solve for x
    x = 31,931,764.23/6,406.44
  6. Step 6: Final answer
    x = 4,984.32

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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.