Home / 5,615.07-8,406.18-3,408.94

Finding the Fourth Proportional to 5,615.07, 8,406.18 and 3,408.94

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Solution

The fourth proportional to 5,615.07, 8,406.18 and 3,408.94 is: 5,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.07 : 8,406.18 = 3,408.94 : x
  2. Step 2: Convert to fraction form
    5,615.07/8,406.18 = 3,408.94/x
  3. Step 3: Cross multiply
    5,615.07x = 8,406.18 × 3,408.94
  4. Step 4: Simplify right side
    5,615.07x = 28,656,126.47
  5. Step 5: Solve for x
    x = 28,656,126.47/5,615.07
  6. Step 6: Final answer
    x = 5,103.43

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1.5x scale

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.