Home / 5,405.70-8,116.17-3,070.27

Finding the Fourth Proportional to 5,405.70, 8,116.17 and 3,070.27

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Solution

The fourth proportional to 5,405.70, 8,116.17 and 3,070.27 is: 4,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.70 : 8,116.17 = 3,070.27 : x
  2. Step 2: Convert to fraction form
    5,405.70/8,116.17 = 3,070.27/x
  3. Step 3: Cross multiply
    5,405.70x = 8,116.17 × 3,070.27
  4. Step 4: Simplify right side
    5,405.70x = 24,918,786.24
  5. Step 5: Solve for x
    x = 24,918,786.24/5,405.70
  6. Step 6: Final answer
    x = 4,609.73

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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.