Home / 5,095.29-7,636.54-2,755.20

Finding the Fourth Proportional to 5,095.29, 7,636.54 and 2,755.20

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Solution

The fourth proportional to 5,095.29, 7,636.54 and 2,755.20 is: 4,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.29 : 7,636.54 = 2,755.20 : x
  2. Step 2: Convert to fraction form
    5,095.29/7,636.54 = 2,755.20/x
  3. Step 3: Cross multiply
    5,095.29x = 7,636.54 × 2,755.20
  4. Step 4: Simplify right side
    5,095.29x = 21,040,195.01
  5. Step 5: Solve for x
    x = 21,040,195.01/5,095.29
  6. Step 6: Final answer
    x = 4,129.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.