Home / 6,382.31-8,805.08-4,707.75

Finding the Fourth Proportional to 6,382.31, 8,805.08 and 4,707.75

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Solution

The fourth proportional to 6,382.31, 8,805.08 and 4,707.75 is: 6,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,382.31 : 8,805.08 = 4,707.75 : x
  2. Step 2: Convert to fraction form
    6,382.31/8,805.08 = 4,707.75/x
  3. Step 3: Cross multiply
    6,382.31x = 8,805.08 × 4,707.75
  4. Step 4: Simplify right side
    6,382.31x = 41,452,091.83
  5. Step 5: Solve for x
    x = 41,452,091.83/6,382.31
  6. Step 6: Final answer
    x = 6,494.84

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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.