Home / 5,771.18-8,658.05-2,691.50

Finding the Fourth Proportional to 5,771.18, 8,658.05 and 2,691.50

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Solution

The fourth proportional to 5,771.18, 8,658.05 and 2,691.50 is: 4,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.18 : 8,658.05 = 2,691.50 : x
  2. Step 2: Convert to fraction form
    5,771.18/8,658.05 = 2,691.50/x
  3. Step 3: Cross multiply
    5,771.18x = 8,658.05 × 2,691.50
  4. Step 4: Simplify right side
    5,771.18x = 23,303,141.58
  5. Step 5: Solve for x
    x = 23,303,141.58/5,771.18
  6. Step 6: Final answer
    x = 4,037.85

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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.