Home / 8,195.49-11,311.58-5,009.90

Finding the Fourth Proportional to 8,195.49, 11,311.58 and 5,009.90

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Solution

The fourth proportional to 8,195.49, 11,311.58 and 5,009.90 is: 6,914.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.49 : 11,311.58 = 5,009.90 : x
  2. Step 2: Convert to fraction form
    8,195.49/11,311.58 = 5,009.90/x
  3. Step 3: Cross multiply
    8,195.49x = 11,311.58 × 5,009.90
  4. Step 4: Simplify right side
    8,195.49x = 56,669,840.61
  5. Step 5: Solve for x
    x = 56,669,840.61/8,195.49
  6. Step 6: Final answer
    x = 6,914.76

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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.