Home / 5,328.38-7,990.08-1,817.43

Finding the Fourth Proportional to 5,328.38, 7,990.08 and 1,817.43

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Solution

The fourth proportional to 5,328.38, 7,990.08 and 1,817.43 is: 2,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.38 : 7,990.08 = 1,817.43 : x
  2. Step 2: Convert to fraction form
    5,328.38/7,990.08 = 1,817.43/x
  3. Step 3: Cross multiply
    5,328.38x = 7,990.08 × 1,817.43
  4. Step 4: Simplify right side
    5,328.38x = 14,521,411.09
  5. Step 5: Solve for x
    x = 14,521,411.09/5,328.38
  6. Step 6: Final answer
    x = 2,725.30

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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.