Home / 8,215.72-12,324.12-2,950.18

Finding the Fourth Proportional to 8,215.72, 12,324.12 and 2,950.18

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Solution

The fourth proportional to 8,215.72, 12,324.12 and 2,950.18 is: 4,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.72 : 12,324.12 = 2,950.18 : x
  2. Step 2: Convert to fraction form
    8,215.72/12,324.12 = 2,950.18/x
  3. Step 3: Cross multiply
    8,215.72x = 12,324.12 × 2,950.18
  4. Step 4: Simplify right side
    8,215.72x = 36,358,372.34
  5. Step 5: Solve for x
    x = 36,358,372.34/8,215.72
  6. Step 6: Final answer
    x = 4,425.46

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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.