Home / 4,089.45-6,130.53-3,401.76

Finding the Fourth Proportional to 4,089.45, 6,130.53 and 3,401.76

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Solution

The fourth proportional to 4,089.45, 6,130.53 and 3,401.76 is: 5,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.45 : 6,130.53 = 3,401.76 : x
  2. Step 2: Convert to fraction form
    4,089.45/6,130.53 = 3,401.76/x
  3. Step 3: Cross multiply
    4,089.45x = 6,130.53 × 3,401.76
  4. Step 4: Simplify right side
    4,089.45x = 20,854,591.73
  5. Step 5: Solve for x
    x = 20,854,591.73/4,089.45
  6. Step 6: Final answer
    x = 5,099.61

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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.