Home / 7,423.40-11,135.85-2,744.66

Finding the Fourth Proportional to 7,423.40, 11,135.85 and 2,744.66

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Solution

The fourth proportional to 7,423.40, 11,135.85 and 2,744.66 is: 4,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.40 : 11,135.85 = 2,744.66 : x
  2. Step 2: Convert to fraction form
    7,423.40/11,135.85 = 2,744.66/x
  3. Step 3: Cross multiply
    7,423.40x = 11,135.85 × 2,744.66
  4. Step 4: Simplify right side
    7,423.40x = 30,564,122.06
  5. Step 5: Solve for x
    x = 30,564,122.06/7,423.40
  6. Step 6: Final answer
    x = 4,117.27

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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.