Home / 8,555.20-12,834.60-3,622.30

Finding the Fourth Proportional to 8,555.20, 12,834.60 and 3,622.30

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Solution

The fourth proportional to 8,555.20, 12,834.60 and 3,622.30 is: 5,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.20 : 12,834.60 = 3,622.30 : x
  2. Step 2: Convert to fraction form
    8,555.20/12,834.60 = 3,622.30/x
  3. Step 3: Cross multiply
    8,555.20x = 12,834.60 × 3,622.30
  4. Step 4: Simplify right side
    8,555.20x = 46,490,771.58
  5. Step 5: Solve for x
    x = 46,490,771.58/8,555.20
  6. Step 6: Final answer
    x = 5,434.21

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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.