Home / 8,240.32-12,362.04-3,310.35

Finding the Fourth Proportional to 8,240.32, 12,362.04 and 3,310.35

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Solution

The fourth proportional to 8,240.32, 12,362.04 and 3,310.35 is: 4,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.32 : 12,362.04 = 3,310.35 : x
  2. Step 2: Convert to fraction form
    8,240.32/12,362.04 = 3,310.35/x
  3. Step 3: Cross multiply
    8,240.32x = 12,362.04 × 3,310.35
  4. Step 4: Simplify right side
    8,240.32x = 40,922,617.30
  5. Step 5: Solve for x
    x = 40,922,617.30/8,240.32
  6. Step 6: Final answer
    x = 4,966.14

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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.