Home / 8,215.01-12,321.17-2,292.30

Finding the Fourth Proportional to 8,215.01, 12,321.17 and 2,292.30

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Solution

The fourth proportional to 8,215.01, 12,321.17 and 2,292.30 is: 3,438.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.01 : 12,321.17 = 2,292.30 : x
  2. Step 2: Convert to fraction form
    8,215.01/12,321.17 = 2,292.30/x
  3. Step 3: Cross multiply
    8,215.01x = 12,321.17 × 2,292.30
  4. Step 4: Simplify right side
    8,215.01x = 28,243,823.72
  5. Step 5: Solve for x
    x = 28,243,823.72/8,215.01
  6. Step 6: Final answer
    x = 3,438.07

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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.