Home / 4,443.68-6,666.96-2,135.36

Finding the Fourth Proportional to 4,443.68, 6,666.96 and 2,135.36

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Solution

The fourth proportional to 4,443.68, 6,666.96 and 2,135.36 is: 3,203.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.68 : 6,666.96 = 2,135.36 : x
  2. Step 2: Convert to fraction form
    4,443.68/6,666.96 = 2,135.36/x
  3. Step 3: Cross multiply
    4,443.68x = 6,666.96 × 2,135.36
  4. Step 4: Simplify right side
    4,443.68x = 14,236,359.71
  5. Step 5: Solve for x
    x = 14,236,359.71/4,443.68
  6. Step 6: Final answer
    x = 3,203.73

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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.