Home / 8,331.18-12,496.77-2,491.89

Finding the Fourth Proportional to 8,331.18, 12,496.77 and 2,491.89

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Solution

The fourth proportional to 8,331.18, 12,496.77 and 2,491.89 is: 3,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.18 : 12,496.77 = 2,491.89 : x
  2. Step 2: Convert to fraction form
    8,331.18/12,496.77 = 2,491.89/x
  3. Step 3: Cross multiply
    8,331.18x = 12,496.77 × 2,491.89
  4. Step 4: Simplify right side
    8,331.18x = 31,140,576.20
  5. Step 5: Solve for x
    x = 31,140,576.20/8,331.18
  6. Step 6: Final answer
    x = 3,737.84

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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.