Home / 9,310.20-12,847.75-5,328.50

Finding the Fourth Proportional to 9,310.20, 12,847.75 and 5,328.50

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Solution

The fourth proportional to 9,310.20, 12,847.75 and 5,328.50 is: 7,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.20 : 12,847.75 = 5,328.50 : x
  2. Step 2: Convert to fraction form
    9,310.20/12,847.75 = 5,328.50/x
  3. Step 3: Cross multiply
    9,310.20x = 12,847.75 × 5,328.50
  4. Step 4: Simplify right side
    9,310.20x = 68,459,235.88
  5. Step 5: Solve for x
    x = 68,459,235.88/9,310.20
  6. Step 6: Final answer
    x = 7,353.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.