Home / 8,790.37-13,176.90-3,522.21

Finding the Fourth Proportional to 8,790.37, 13,176.90 and 3,522.21

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Solution

The fourth proportional to 8,790.37, 13,176.90 and 3,522.21 is: 5,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.37 : 13,176.90 = 3,522.21 : x
  2. Step 2: Convert to fraction form
    8,790.37/13,176.90 = 3,522.21/x
  3. Step 3: Cross multiply
    8,790.37x = 13,176.90 × 3,522.21
  4. Step 4: Simplify right side
    8,790.37x = 46,411,806.50
  5. Step 5: Solve for x
    x = 46,411,806.50/8,790.37
  6. Step 6: Final answer
    x = 5,279.84

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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.