Home / 8,165.08-11,270.38-4,630.64

Finding the Fourth Proportional to 8,165.08, 11,270.38 and 4,630.64

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Solution

The fourth proportional to 8,165.08, 11,270.38 and 4,630.64 is: 6,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165.08 : 11,270.38 = 4,630.64 : x
  2. Step 2: Convert to fraction form
    8,165.08/11,270.38 = 4,630.64/x
  3. Step 3: Cross multiply
    8,165.08x = 11,270.38 × 4,630.64
  4. Step 4: Simplify right side
    8,165.08x = 52,189,072.44
  5. Step 5: Solve for x
    x = 52,189,072.44/8,165.08
  6. Step 6: Final answer
    x = 6,391.74

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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.