Home / 8,167.21-11,270.11-4,630.99

Finding the Fourth Proportional to 8,167.21, 11,270.11 and 4,630.99

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Solution

The fourth proportional to 8,167.21, 11,270.11 and 4,630.99 is: 6,390.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.21 : 11,270.11 = 4,630.99 : x
  2. Step 2: Convert to fraction form
    8,167.21/11,270.11 = 4,630.99/x
  3. Step 3: Cross multiply
    8,167.21x = 11,270.11 × 4,630.99
  4. Step 4: Simplify right side
    8,167.21x = 52,191,698.78
  5. Step 5: Solve for x
    x = 52,191,698.78/8,167.21
  6. Step 6: Final answer
    x = 6,390.40

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Double scale
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Similar ratio
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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.