Home / 7,325.35-10,988.54-2,942.81

Finding the Fourth Proportional to 7,325.35, 10,988.54 and 2,942.81

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Solution

The fourth proportional to 7,325.35, 10,988.54 and 2,942.81 is: 4,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.35 : 10,988.54 = 2,942.81 : x
  2. Step 2: Convert to fraction form
    7,325.35/10,988.54 = 2,942.81/x
  3. Step 3: Cross multiply
    7,325.35x = 10,988.54 × 2,942.81
  4. Step 4: Simplify right side
    7,325.35x = 32,337,185.40
  5. Step 5: Solve for x
    x = 32,337,185.40/7,325.35
  6. Step 6: Final answer
    x = 4,414.42

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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.