Home / 5,089.40-7,633.83-1,626.38

Finding the Fourth Proportional to 5,089.40, 7,633.83 and 1,626.38

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Solution

The fourth proportional to 5,089.40, 7,633.83 and 1,626.38 is: 2,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.40 : 7,633.83 = 1,626.38 : x
  2. Step 2: Convert to fraction form
    5,089.40/7,633.83 = 1,626.38/x
  3. Step 3: Cross multiply
    5,089.40x = 7,633.83 × 1,626.38
  4. Step 4: Simplify right side
    5,089.40x = 12,415,508.44
  5. Step 5: Solve for x
    x = 12,415,508.44/5,089.40
  6. Step 6: Final answer
    x = 2,439.48

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1.5x scale

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.