Home / 8,181.25-12,271.61-2,337.85

Finding the Fourth Proportional to 8,181.25, 12,271.61 and 2,337.85

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Solution

The fourth proportional to 8,181.25, 12,271.61 and 2,337.85 is: 3,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181.25 : 12,271.61 = 2,337.85 : x
  2. Step 2: Convert to fraction form
    8,181.25/12,271.61 = 2,337.85/x
  3. Step 3: Cross multiply
    8,181.25x = 12,271.61 × 2,337.85
  4. Step 4: Simplify right side
    8,181.25x = 28,689,171.75
  5. Step 5: Solve for x
    x = 28,689,171.75/8,181.25
  6. Step 6: Final answer
    x = 3,506.70

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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.