Home / 6,427.38-9,634.46-3,136.40

Finding the Fourth Proportional to 6,427.38, 9,634.46 and 3,136.40

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Solution

The fourth proportional to 6,427.38, 9,634.46 and 3,136.40 is: 4,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.38 : 9,634.46 = 3,136.40 : x
  2. Step 2: Convert to fraction form
    6,427.38/9,634.46 = 3,136.40/x
  3. Step 3: Cross multiply
    6,427.38x = 9,634.46 × 3,136.40
  4. Step 4: Simplify right side
    6,427.38x = 30,217,520.34
  5. Step 5: Solve for x
    x = 30,217,520.34/6,427.38
  6. Step 6: Final answer
    x = 4,701.37

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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.