Home / 5,089.20-7,634.40-1,626

Finding the Fourth Proportional to 5,089.20, 7,634.40 and 1,626

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Solution

The fourth proportional to 5,089.20, 7,634.40 and 1,626 is: 2,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.20 : 7,634.40 = 1,626 : x
  2. Step 2: Convert to fraction form
    5,089.20/7,634.40 = 1,626/x
  3. Step 3: Cross multiply
    5,089.20x = 7,634.40 × 1,626
  4. Step 4: Simplify right side
    5,089.20x = 12,413,534.40
  5. Step 5: Solve for x
    x = 12,413,534.40/5,089.20
  6. Step 6: Final answer
    x = 2,439.19

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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.