Home / 7,384.47-11,072.58-2,452.78

Finding the Fourth Proportional to 7,384.47, 11,072.58 and 2,452.78

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Solution

The fourth proportional to 7,384.47, 11,072.58 and 2,452.78 is: 3,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.47 : 11,072.58 = 2,452.78 : x
  2. Step 2: Convert to fraction form
    7,384.47/11,072.58 = 2,452.78/x
  3. Step 3: Cross multiply
    7,384.47x = 11,072.58 × 2,452.78
  4. Step 4: Simplify right side
    7,384.47x = 27,158,602.77
  5. Step 5: Solve for x
    x = 27,158,602.77/7,384.47
  6. Step 6: Final answer
    x = 3,677.80

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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.