Home / 5,261.79-7,891.92-1,563.33

Finding the Fourth Proportional to 5,261.79, 7,891.92 and 1,563.33

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Solution

The fourth proportional to 5,261.79, 7,891.92 and 1,563.33 is: 2,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.79 : 7,891.92 = 1,563.33 : x
  2. Step 2: Convert to fraction form
    5,261.79/7,891.92 = 1,563.33/x
  3. Step 3: Cross multiply
    5,261.79x = 7,891.92 × 1,563.33
  4. Step 4: Simplify right side
    5,261.79x = 12,337,675.29
  5. Step 5: Solve for x
    x = 12,337,675.29/5,261.79
  6. Step 6: Final answer
    x = 2,344.77

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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.