Home / 8,919.10-13,371.35-3,369.29

Finding the Fourth Proportional to 8,919.10, 13,371.35 and 3,369.29

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Solution

The fourth proportional to 8,919.10, 13,371.35 and 3,369.29 is: 5,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.10 : 13,371.35 = 3,369.29 : x
  2. Step 2: Convert to fraction form
    8,919.10/13,371.35 = 3,369.29/x
  3. Step 3: Cross multiply
    8,919.10x = 13,371.35 × 3,369.29
  4. Step 4: Simplify right side
    8,919.10x = 45,051,939.00
  5. Step 5: Solve for x
    x = 45,051,939.00/8,919.10
  6. Step 6: Final answer
    x = 5,051.18

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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.