Home / 8,926.42-13,391.51-3,379.64

Finding the Fourth Proportional to 8,926.42, 13,391.51 and 3,379.64

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Solution

The fourth proportional to 8,926.42, 13,391.51 and 3,379.64 is: 5,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.42 : 13,391.51 = 3,379.64 : x
  2. Step 2: Convert to fraction form
    8,926.42/13,391.51 = 3,379.64/x
  3. Step 3: Cross multiply
    8,926.42x = 13,391.51 × 3,379.64
  4. Step 4: Simplify right side
    8,926.42x = 45,258,474.33
  5. Step 5: Solve for x
    x = 45,258,474.33/8,926.42
  6. Step 6: Final answer
    x = 5,070.17

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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.