Home / 5,435.91-8,160.75-4,522.64

Finding the Fourth Proportional to 5,435.91, 8,160.75 and 4,522.64

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Solution

The fourth proportional to 5,435.91, 8,160.75 and 4,522.64 is: 6,789.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.91 : 8,160.75 = 4,522.64 : x
  2. Step 2: Convert to fraction form
    5,435.91/8,160.75 = 4,522.64/x
  3. Step 3: Cross multiply
    5,435.91x = 8,160.75 × 4,522.64
  4. Step 4: Simplify right side
    5,435.91x = 36,908,093.58
  5. Step 5: Solve for x
    x = 36,908,093.58/5,435.91
  6. Step 6: Final answer
    x = 6,789.68

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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.