Home / 8,376.06-11,558.14-4,839.20

Finding the Fourth Proportional to 8,376.06, 11,558.14 and 4,839.20

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Solution

The fourth proportional to 8,376.06, 11,558.14 and 4,839.20 is: 6,677.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.06 : 11,558.14 = 4,839.20 : x
  2. Step 2: Convert to fraction form
    8,376.06/11,558.14 = 4,839.20/x
  3. Step 3: Cross multiply
    8,376.06x = 11,558.14 × 4,839.20
  4. Step 4: Simplify right side
    8,376.06x = 55,932,093.30
  5. Step 5: Solve for x
    x = 55,932,093.30/8,376.06
  6. Step 6: Final answer
    x = 6,677.61

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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.