Home / 8,180.23-12,260.04-4,431.85

Finding the Fourth Proportional to 8,180.23, 12,260.04 and 4,431.85

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Solution

The fourth proportional to 8,180.23, 12,260.04 and 4,431.85 is: 6,642.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.23 : 12,260.04 = 4,431.85 : x
  2. Step 2: Convert to fraction form
    8,180.23/12,260.04 = 4,431.85/x
  3. Step 3: Cross multiply
    8,180.23x = 12,260.04 × 4,431.85
  4. Step 4: Simplify right side
    8,180.23x = 54,334,658.27
  5. Step 5: Solve for x
    x = 54,334,658.27/8,180.23
  6. Step 6: Final answer
    x = 6,642.19

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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.