Home / 4,442.99-6,666.79-1,812.43

Finding the Fourth Proportional to 4,442.99, 6,666.79 and 1,812.43

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Solution

The fourth proportional to 4,442.99, 6,666.79 and 1,812.43 is: 2,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.99 : 6,666.79 = 1,812.43 : x
  2. Step 2: Convert to fraction form
    4,442.99/6,666.79 = 1,812.43/x
  3. Step 3: Cross multiply
    4,442.99x = 6,666.79 × 1,812.43
  4. Step 4: Simplify right side
    4,442.99x = 12,083,056.87
  5. Step 5: Solve for x
    x = 12,083,056.87/4,442.99
  6. Step 6: Final answer
    x = 2,719.58

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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.