Home / 8,885.90-12,262.51-4,906.98

Finding the Fourth Proportional to 8,885.90, 12,262.51 and 4,906.98

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Solution

The fourth proportional to 8,885.90, 12,262.51 and 4,906.98 is: 6,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.90 : 12,262.51 = 4,906.98 : x
  2. Step 2: Convert to fraction form
    8,885.90/12,262.51 = 4,906.98/x
  3. Step 3: Cross multiply
    8,885.90x = 12,262.51 × 4,906.98
  4. Step 4: Simplify right side
    8,885.90x = 60,171,911.25
  5. Step 5: Solve for x
    x = 60,171,911.25/8,885.90
  6. Step 6: Final answer
    x = 6,771.62

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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.