Home / 5,607.21-8,406.36-3,634.86

Finding the Fourth Proportional to 5,607.21, 8,406.36 and 3,634.86

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Solution

The fourth proportional to 5,607.21, 8,406.36 and 3,634.86 is: 5,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.21 : 8,406.36 = 3,634.86 : x
  2. Step 2: Convert to fraction form
    5,607.21/8,406.36 = 3,634.86/x
  3. Step 3: Cross multiply
    5,607.21x = 8,406.36 × 3,634.86
  4. Step 4: Simplify right side
    5,607.21x = 30,555,941.71
  5. Step 5: Solve for x
    x = 30,555,941.71/5,607.21
  6. Step 6: Final answer
    x = 5,449.40

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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.