Home / 8,212.32-12,317.40-2,369.52

Finding the Fourth Proportional to 8,212.32, 12,317.40 and 2,369.52

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Solution

The fourth proportional to 8,212.32, 12,317.40 and 2,369.52 is: 3,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.32 : 12,317.40 = 2,369.52 : x
  2. Step 2: Convert to fraction form
    8,212.32/12,317.40 = 2,369.52/x
  3. Step 3: Cross multiply
    8,212.32x = 12,317.40 × 2,369.52
  4. Step 4: Simplify right side
    8,212.32x = 29,186,325.65
  5. Step 5: Solve for x
    x = 29,186,325.65/8,212.32
  6. Step 6: Final answer
    x = 3,553.97

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1.5x scale

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.