Home / 5,808.78-8,711.55-4,160.43

Finding the Fourth Proportional to 5,808.78, 8,711.55 and 4,160.43

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Solution

The fourth proportional to 5,808.78, 8,711.55 and 4,160.43 is: 6,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.78 : 8,711.55 = 4,160.43 : x
  2. Step 2: Convert to fraction form
    5,808.78/8,711.55 = 4,160.43/x
  3. Step 3: Cross multiply
    5,808.78x = 8,711.55 × 4,160.43
  4. Step 4: Simplify right side
    5,808.78x = 36,243,793.97
  5. Step 5: Solve for x
    x = 36,243,793.97/5,808.78
  6. Step 6: Final answer
    x = 6,239.48

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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.