Home / 5,149.01-7,721.49-1,817.08

Finding the Fourth Proportional to 5,149.01, 7,721.49 and 1,817.08

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Solution

The fourth proportional to 5,149.01, 7,721.49 and 1,817.08 is: 2,724.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.01 : 7,721.49 = 1,817.08 : x
  2. Step 2: Convert to fraction form
    5,149.01/7,721.49 = 1,817.08/x
  3. Step 3: Cross multiply
    5,149.01x = 7,721.49 × 1,817.08
  4. Step 4: Simplify right side
    5,149.01x = 14,030,565.05
  5. Step 5: Solve for x
    x = 14,030,565.05/5,149.01
  6. Step 6: Final answer
    x = 2,724.91

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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.