Home / 7,423.79-11,135.88-2,492.51

Finding the Fourth Proportional to 7,423.79, 11,135.88 and 2,492.51

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Solution

The fourth proportional to 7,423.79, 11,135.88 and 2,492.51 is: 3,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.79 : 11,135.88 = 2,492.51 : x
  2. Step 2: Convert to fraction form
    7,423.79/11,135.88 = 2,492.51/x
  3. Step 3: Cross multiply
    7,423.79x = 11,135.88 × 2,492.51
  4. Step 4: Simplify right side
    7,423.79x = 27,756,236.58
  5. Step 5: Solve for x
    x = 27,756,236.58/7,423.79
  6. Step 6: Final answer
    x = 3,738.83

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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.