Home / 7,356.42-11,034.63-2,161.89

Finding the Fourth Proportional to 7,356.42, 11,034.63 and 2,161.89

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Solution

The fourth proportional to 7,356.42, 11,034.63 and 2,161.89 is: 3,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.42 : 11,034.63 = 2,161.89 : x
  2. Step 2: Convert to fraction form
    7,356.42/11,034.63 = 2,161.89/x
  3. Step 3: Cross multiply
    7,356.42x = 11,034.63 × 2,161.89
  4. Step 4: Simplify right side
    7,356.42x = 23,855,656.25
  5. Step 5: Solve for x
    x = 23,855,656.25/7,356.42
  6. Step 6: Final answer
    x = 3,242.84

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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.