Home / 5,606.21-8,405.18-2,686.56

Finding the Fourth Proportional to 5,606.21, 8,405.18 and 2,686.56

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Solution

The fourth proportional to 5,606.21, 8,405.18 and 2,686.56 is: 4,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.21 : 8,405.18 = 2,686.56 : x
  2. Step 2: Convert to fraction form
    5,606.21/8,405.18 = 2,686.56/x
  3. Step 3: Cross multiply
    5,606.21x = 8,405.18 × 2,686.56
  4. Step 4: Simplify right side
    5,606.21x = 22,581,006.95
  5. Step 5: Solve for x
    x = 22,581,006.95/5,606.21
  6. Step 6: Final answer
    x = 4,027.86

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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.