Home / 5,487.98-8,233.34-1,790.42

Finding the Fourth Proportional to 5,487.98, 8,233.34 and 1,790.42

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Solution

The fourth proportional to 5,487.98, 8,233.34 and 1,790.42 is: 2,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.98 : 8,233.34 = 1,790.42 : x
  2. Step 2: Convert to fraction form
    5,487.98/8,233.34 = 1,790.42/x
  3. Step 3: Cross multiply
    5,487.98x = 8,233.34 × 1,790.42
  4. Step 4: Simplify right side
    5,487.98x = 14,741,086.48
  5. Step 5: Solve for x
    x = 14,741,086.48/5,487.98
  6. Step 6: Final answer
    x = 2,686.07

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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.