Home / 8,229.32-12,345.26-2,681.37

Finding the Fourth Proportional to 8,229.32, 12,345.26 and 2,681.37

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Solution

The fourth proportional to 8,229.32, 12,345.26 and 2,681.37 is: 4,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.32 : 12,345.26 = 2,681.37 : x
  2. Step 2: Convert to fraction form
    8,229.32/12,345.26 = 2,681.37/x
  3. Step 3: Cross multiply
    8,229.32x = 12,345.26 × 2,681.37
  4. Step 4: Simplify right side
    8,229.32x = 33,102,209.81
  5. Step 5: Solve for x
    x = 33,102,209.81/8,229.32
  6. Step 6: Final answer
    x = 4,022.47

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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.