Home / 5,401.80-8,096.30-2,281.80

Finding the Fourth Proportional to 5,401.80, 8,096.30 and 2,281.80

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Solution

The fourth proportional to 5,401.80, 8,096.30 and 2,281.80 is: 3,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.80 : 8,096.30 = 2,281.80 : x
  2. Step 2: Convert to fraction form
    5,401.80/8,096.30 = 2,281.80/x
  3. Step 3: Cross multiply
    5,401.80x = 8,096.30 × 2,281.80
  4. Step 4: Simplify right side
    5,401.80x = 18,474,137.34
  5. Step 5: Solve for x
    x = 18,474,137.34/5,401.80
  6. Step 6: Final answer
    x = 3,420.00

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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.