Home / 8,885.36-12,261.38-4,906.85

Finding the Fourth Proportional to 8,885.36, 12,261.38 and 4,906.85

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Solution

The fourth proportional to 8,885.36, 12,261.38 and 4,906.85 is: 6,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.36 : 12,261.38 = 4,906.85 : x
  2. Step 2: Convert to fraction form
    8,885.36/12,261.38 = 4,906.85/x
  3. Step 3: Cross multiply
    8,885.36x = 12,261.38 × 4,906.85
  4. Step 4: Simplify right side
    8,885.36x = 60,164,666.61
  5. Step 5: Solve for x
    x = 60,164,666.61/8,885.36
  6. Step 6: Final answer
    x = 6,771.21

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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.