Home / 6,307.38-8,704.18-3,512.88

Finding the Fourth Proportional to 6,307.38, 8,704.18 and 3,512.88

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Solution

The fourth proportional to 6,307.38, 8,704.18 and 3,512.88 is: 4,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.38 : 8,704.18 = 3,512.88 : x
  2. Step 2: Convert to fraction form
    6,307.38/8,704.18 = 3,512.88/x
  3. Step 3: Cross multiply
    6,307.38x = 8,704.18 × 3,512.88
  4. Step 4: Simplify right side
    6,307.38x = 30,576,739.84
  5. Step 5: Solve for x
    x = 30,576,739.84/6,307.38
  6. Step 6: Final answer
    x = 4,847.77

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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.