Home / 8,929.32-13,383.88-3,379.20

Finding the Fourth Proportional to 8,929.32, 13,383.88 and 3,379.20

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Solution

The fourth proportional to 8,929.32, 13,383.88 and 3,379.20 is: 5,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.32 : 13,383.88 = 3,379.20 : x
  2. Step 2: Convert to fraction form
    8,929.32/13,383.88 = 3,379.20/x
  3. Step 3: Cross multiply
    8,929.32x = 13,383.88 × 3,379.20
  4. Step 4: Simplify right side
    8,929.32x = 45,226,807.30
  5. Step 5: Solve for x
    x = 45,226,807.30/8,929.32
  6. Step 6: Final answer
    x = 5,064.98

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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.