Home / 8,298.12-12,441.20-3,911.25

Finding the Fourth Proportional to 8,298.12, 12,441.20 and 3,911.25

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Solution

The fourth proportional to 8,298.12, 12,441.20 and 3,911.25 is: 5,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.12 : 12,441.20 = 3,911.25 : x
  2. Step 2: Convert to fraction form
    8,298.12/12,441.20 = 3,911.25/x
  3. Step 3: Cross multiply
    8,298.12x = 12,441.20 × 3,911.25
  4. Step 4: Simplify right side
    8,298.12x = 48,660,623.94
  5. Step 5: Solve for x
    x = 48,660,623.94/8,298.12
  6. Step 6: Final answer
    x = 5,864.05

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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.