Home / 8,215.52-12,325.31-2,372.12

Finding the Fourth Proportional to 8,215.52, 12,325.31 and 2,372.12

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Solution

The fourth proportional to 8,215.52, 12,325.31 and 2,372.12 is: 3,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.52 : 12,325.31 = 2,372.12 : x
  2. Step 2: Convert to fraction form
    8,215.52/12,325.31 = 2,372.12/x
  3. Step 3: Cross multiply
    8,215.52x = 12,325.31 × 2,372.12
  4. Step 4: Simplify right side
    8,215.52x = 29,237,040.87
  5. Step 5: Solve for x
    x = 29,237,040.87/8,215.52
  6. Step 6: Final answer
    x = 3,558.76

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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.