Home / 8,215.27-12,331.67-3,537.59

Finding the Fourth Proportional to 8,215.27, 12,331.67 and 3,537.59

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Solution

The fourth proportional to 8,215.27, 12,331.67 and 3,537.59 is: 5,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.27 : 12,331.67 = 3,537.59 : x
  2. Step 2: Convert to fraction form
    8,215.27/12,331.67 = 3,537.59/x
  3. Step 3: Cross multiply
    8,215.27x = 12,331.67 × 3,537.59
  4. Step 4: Simplify right side
    8,215.27x = 43,624,432.15
  5. Step 5: Solve for x
    x = 43,624,432.15/8,215.27
  6. Step 6: Final answer
    x = 5,310.17

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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.