Home / 5,710.45-8,567.70-2,786.80

Finding the Fourth Proportional to 5,710.45, 8,567.70 and 2,786.80

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Solution

The fourth proportional to 5,710.45, 8,567.70 and 2,786.80 is: 4,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,710.45 : 8,567.70 = 2,786.80 : x
  2. Step 2: Convert to fraction form
    5,710.45/8,567.70 = 2,786.80/x
  3. Step 3: Cross multiply
    5,710.45x = 8,567.70 × 2,786.80
  4. Step 4: Simplify right side
    5,710.45x = 23,876,466.36
  5. Step 5: Solve for x
    x = 23,876,466.36/5,710.45
  6. Step 6: Final answer
    x = 4,181.19

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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.