Home / 8,790.42-13,190.50-3,599.94

Finding the Fourth Proportional to 8,790.42, 13,190.50 and 3,599.94

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Solution

The fourth proportional to 8,790.42, 13,190.50 and 3,599.94 is: 5,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.42 : 13,190.50 = 3,599.94 : x
  2. Step 2: Convert to fraction form
    8,790.42/13,190.50 = 3,599.94/x
  3. Step 3: Cross multiply
    8,790.42x = 13,190.50 × 3,599.94
  4. Step 4: Simplify right side
    8,790.42x = 47,485,008.57
  5. Step 5: Solve for x
    x = 47,485,008.57/8,790.42
  6. Step 6: Final answer
    x = 5,401.90

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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.