Home / 8,311.58-11,471.47-4,954.61

Finding the Fourth Proportional to 8,311.58, 11,471.47 and 4,954.61

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Solution

The fourth proportional to 8,311.58, 11,471.47 and 4,954.61 is: 6,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.58 : 11,471.47 = 4,954.61 : x
  2. Step 2: Convert to fraction form
    8,311.58/11,471.47 = 4,954.61/x
  3. Step 3: Cross multiply
    8,311.58x = 11,471.47 × 4,954.61
  4. Step 4: Simplify right side
    8,311.58x = 56,836,676.27
  5. Step 5: Solve for x
    x = 56,836,676.27/8,311.58
  6. Step 6: Final answer
    x = 6,838.25

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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.