Home / 8,311.70-11,470.38-4,954.79

Finding the Fourth Proportional to 8,311.70, 11,470.38 and 4,954.79

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Solution

The fourth proportional to 8,311.70, 11,470.38 and 4,954.79 is: 6,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.70 : 11,470.38 = 4,954.79 : x
  2. Step 2: Convert to fraction form
    8,311.70/11,470.38 = 4,954.79/x
  3. Step 3: Cross multiply
    8,311.70x = 11,470.38 × 4,954.79
  4. Step 4: Simplify right side
    8,311.70x = 56,833,334.22
  5. Step 5: Solve for x
    x = 56,833,334.22/8,311.70
  6. Step 6: Final answer
    x = 6,837.75

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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.