Home / 6,379.36-8,803.29-3,546.70

Finding the Fourth Proportional to 6,379.36, 8,803.29 and 3,546.70

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Solution

The fourth proportional to 6,379.36, 8,803.29 and 3,546.70 is: 4,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.36 : 8,803.29 = 3,546.70 : x
  2. Step 2: Convert to fraction form
    6,379.36/8,803.29 = 3,546.70/x
  3. Step 3: Cross multiply
    6,379.36x = 8,803.29 × 3,546.70
  4. Step 4: Simplify right side
    6,379.36x = 31,222,628.64
  5. Step 5: Solve for x
    x = 31,222,628.64/6,379.36
  6. Step 6: Final answer
    x = 4,894.32

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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.