Home / 8,317.11-12,469.03-4,803.12

Finding the Fourth Proportional to 8,317.11, 12,469.03 and 4,803.12

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Solution

The fourth proportional to 8,317.11, 12,469.03 and 4,803.12 is: 7,200.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.11 : 12,469.03 = 4,803.12 : x
  2. Step 2: Convert to fraction form
    8,317.11/12,469.03 = 4,803.12/x
  3. Step 3: Cross multiply
    8,317.11x = 12,469.03 × 4,803.12
  4. Step 4: Simplify right side
    8,317.11x = 59,890,247.37
  5. Step 5: Solve for x
    x = 59,890,247.37/8,317.11
  6. Step 6: Final answer
    x = 7,200.85

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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.