Home / 6,319.72-9,466.90-3,147.60

Finding the Fourth Proportional to 6,319.72, 9,466.90 and 3,147.60

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Solution

The fourth proportional to 6,319.72, 9,466.90 and 3,147.60 is: 4,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,319.72 : 9,466.90 = 3,147.60 : x
  2. Step 2: Convert to fraction form
    6,319.72/9,466.90 = 3,147.60/x
  3. Step 3: Cross multiply
    6,319.72x = 9,466.90 × 3,147.60
  4. Step 4: Simplify right side
    6,319.72x = 29,798,042.07
  5. Step 5: Solve for x
    x = 29,798,042.07/6,319.72
  6. Step 6: Final answer
    x = 4,715.09

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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.