Home / 8,215.74-12,324.24-2,372.40

Finding the Fourth Proportional to 8,215.74, 12,324.24 and 2,372.40

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Solution

The fourth proportional to 8,215.74, 12,324.24 and 2,372.40 is: 3,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.74 : 12,324.24 = 2,372.40 : x
  2. Step 2: Convert to fraction form
    8,215.74/12,324.24 = 2,372.40/x
  3. Step 3: Cross multiply
    8,215.74x = 12,324.24 × 2,372.40
  4. Step 4: Simplify right side
    8,215.74x = 29,238,026.98
  5. Step 5: Solve for x
    x = 29,238,026.98/8,215.74
  6. Step 6: Final answer
    x = 3,558.78

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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.