Home / 8,435.24-12,653.20-3,169.70

Finding the Fourth Proportional to 8,435.24, 12,653.20 and 3,169.70

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Solution

The fourth proportional to 8,435.24, 12,653.20 and 3,169.70 is: 4,754.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.24 : 12,653.20 = 3,169.70 : x
  2. Step 2: Convert to fraction form
    8,435.24/12,653.20 = 3,169.70/x
  3. Step 3: Cross multiply
    8,435.24x = 12,653.20 × 3,169.70
  4. Step 4: Simplify right side
    8,435.24x = 40,106,848.04
  5. Step 5: Solve for x
    x = 40,106,848.04/8,435.24
  6. Step 6: Final answer
    x = 4,754.68

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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.