Home / 5,433.85-8,148.70-2,311.91

Finding the Fourth Proportional to 5,433.85, 8,148.70 and 2,311.91

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Solution

The fourth proportional to 5,433.85, 8,148.70 and 2,311.91 is: 3,466.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.85 : 8,148.70 = 2,311.91 : x
  2. Step 2: Convert to fraction form
    5,433.85/8,148.70 = 2,311.91/x
  3. Step 3: Cross multiply
    5,433.85x = 8,148.70 × 2,311.91
  4. Step 4: Simplify right side
    5,433.85x = 18,839,061.02
  5. Step 5: Solve for x
    x = 18,839,061.02/5,433.85
  6. Step 6: Final answer
    x = 3,466.98

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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.