Home / 8,776.73-12,110.83-4,999.90

Finding the Fourth Proportional to 8,776.73, 12,110.83 and 4,999.90

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Solution

The fourth proportional to 8,776.73, 12,110.83 and 4,999.90 is: 6,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.73 : 12,110.83 = 4,999.90 : x
  2. Step 2: Convert to fraction form
    8,776.73/12,110.83 = 4,999.90/x
  3. Step 3: Cross multiply
    8,776.73x = 12,110.83 × 4,999.90
  4. Step 4: Simplify right side
    8,776.73x = 60,552,938.92
  5. Step 5: Solve for x
    x = 60,552,938.92/8,776.73
  6. Step 6: Final answer
    x = 6,899.26

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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.