Home / 8,554.10-12,821.55-3,622.90

Finding the Fourth Proportional to 8,554.10, 12,821.55 and 3,622.90

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Solution

The fourth proportional to 8,554.10, 12,821.55 and 3,622.90 is: 5,430.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.10 : 12,821.55 = 3,622.90 : x
  2. Step 2: Convert to fraction form
    8,554.10/12,821.55 = 3,622.90/x
  3. Step 3: Cross multiply
    8,554.10x = 12,821.55 × 3,622.90
  4. Step 4: Simplify right side
    8,554.10x = 46,451,193.50
  5. Step 5: Solve for x
    x = 46,451,193.50/8,554.10
  6. Step 6: Final answer
    x = 5,430.28

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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.