Home / 5,423.90-8,134.93-2,137.93

Finding the Fourth Proportional to 5,423.90, 8,134.93 and 2,137.93

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Solution

The fourth proportional to 5,423.90, 8,134.93 and 2,137.93 is: 3,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.90 : 8,134.93 = 2,137.93 : x
  2. Step 2: Convert to fraction form
    5,423.90/8,134.93 = 2,137.93/x
  3. Step 3: Cross multiply
    5,423.90x = 8,134.93 × 2,137.93
  4. Step 4: Simplify right side
    5,423.90x = 17,391,910.89
  5. Step 5: Solve for x
    x = 17,391,910.89/5,423.90
  6. Step 6: Final answer
    x = 3,206.53

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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.