Home / 6,379.29-8,802.73-3,546.79

Finding the Fourth Proportional to 6,379.29, 8,802.73 and 3,546.79

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Solution

The fourth proportional to 6,379.29, 8,802.73 and 3,546.79 is: 4,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,379.29 : 8,802.73 = 3,546.79 : x
  2. Step 2: Convert to fraction form
    6,379.29/8,802.73 = 3,546.79/x
  3. Step 3: Cross multiply
    6,379.29x = 8,802.73 × 3,546.79
  4. Step 4: Simplify right side
    6,379.29x = 31,221,390.72
  5. Step 5: Solve for x
    x = 31,221,390.72/6,379.29
  6. Step 6: Final answer
    x = 4,894.18

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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.