Home / 8,214.85-12,320.56-2,370.09

Finding the Fourth Proportional to 8,214.85, 12,320.56 and 2,370.09

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Solution

The fourth proportional to 8,214.85, 12,320.56 and 2,370.09 is: 3,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214.85 : 12,320.56 = 2,370.09 : x
  2. Step 2: Convert to fraction form
    8,214.85/12,320.56 = 2,370.09/x
  3. Step 3: Cross multiply
    8,214.85x = 12,320.56 × 2,370.09
  4. Step 4: Simplify right side
    8,214.85x = 29,200,891.88
  5. Step 5: Solve for x
    x = 29,200,891.88/8,214.85
  6. Step 6: Final answer
    x = 3,554.65

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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.