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Finding the Fourth Proportional to 5,810, 8,710.10 and 2,520.62

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Solution

The fourth proportional to 5,810, 8,710.10 and 2,520.62 is: 3,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810 : 8,710.10 = 2,520.62 : x
  2. Step 2: Convert to fraction form
    5,810/8,710.10 = 2,520.62/x
  3. Step 3: Cross multiply
    5,810x = 8,710.10 × 2,520.62
  4. Step 4: Simplify right side
    5,810x = 21,954,852.26
  5. Step 5: Solve for x
    x = 21,954,852.26/5,810
  6. Step 6: Final answer
    x = 3,778.80

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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.