Home / 8,790.66-13,190.87-3,600.18

Finding the Fourth Proportional to 8,790.66, 13,190.87 and 3,600.18

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Solution

The fourth proportional to 8,790.66, 13,190.87 and 3,600.18 is: 5,402.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.66 : 13,190.87 = 3,600.18 : x
  2. Step 2: Convert to fraction form
    8,790.66/13,190.87 = 3,600.18/x
  3. Step 3: Cross multiply
    8,790.66x = 13,190.87 × 3,600.18
  4. Step 4: Simplify right side
    8,790.66x = 47,489,488.36
  5. Step 5: Solve for x
    x = 47,489,488.36/8,790.66
  6. Step 6: Final answer
    x = 5,402.27

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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.