Home / 5,780.10-7,976.82-3,542.10

Finding the Fourth Proportional to 5,780.10, 7,976.82 and 3,542.10

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Solution

The fourth proportional to 5,780.10, 7,976.82 and 3,542.10 is: 4,888.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.10 : 7,976.82 = 3,542.10 : x
  2. Step 2: Convert to fraction form
    5,780.10/7,976.82 = 3,542.10/x
  3. Step 3: Cross multiply
    5,780.10x = 7,976.82 × 3,542.10
  4. Step 4: Simplify right side
    5,780.10x = 28,254,694.12
  5. Step 5: Solve for x
    x = 28,254,694.12/5,780.10
  6. Step 6: Final answer
    x = 4,888.27

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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.