Home / 8,170.72-12,256.08-4,884.76

Finding the Fourth Proportional to 8,170.72, 12,256.08 and 4,884.76

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Solution

The fourth proportional to 8,170.72, 12,256.08 and 4,884.76 is: 7,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.72 : 12,256.08 = 4,884.76 : x
  2. Step 2: Convert to fraction form
    8,170.72/12,256.08 = 4,884.76/x
  3. Step 3: Cross multiply
    8,170.72x = 12,256.08 × 4,884.76
  4. Step 4: Simplify right side
    8,170.72x = 59,867,978.62
  5. Step 5: Solve for x
    x = 59,867,978.62/8,170.72
  6. Step 6: Final answer
    x = 7,327.13

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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.