Home / 5,549.34-8,321.91-2,261.31

Finding the Fourth Proportional to 5,549.34, 8,321.91 and 2,261.31

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Solution

The fourth proportional to 5,549.34, 8,321.91 and 2,261.31 is: 3,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.34 : 8,321.91 = 2,261.31 : x
  2. Step 2: Convert to fraction form
    5,549.34/8,321.91 = 2,261.31/x
  3. Step 3: Cross multiply
    5,549.34x = 8,321.91 × 2,261.31
  4. Step 4: Simplify right side
    5,549.34x = 18,818,418.30
  5. Step 5: Solve for x
    x = 18,818,418.30/5,549.34
  6. Step 6: Final answer
    x = 3,391.11

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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.