Home / 8,276.67-12,415.05-3,082.50

Finding the Fourth Proportional to 8,276.67, 12,415.05 and 3,082.50

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Solution

The fourth proportional to 8,276.67, 12,415.05 and 3,082.50 is: 4,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.67 : 12,415.05 = 3,082.50 : x
  2. Step 2: Convert to fraction form
    8,276.67/12,415.05 = 3,082.50/x
  3. Step 3: Cross multiply
    8,276.67x = 12,415.05 × 3,082.50
  4. Step 4: Simplify right side
    8,276.67x = 38,269,391.63
  5. Step 5: Solve for x
    x = 38,269,391.63/8,276.67
  6. Step 6: Final answer
    x = 4,623.77

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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.