Home / 4,458.81-6,689.70-2,813.43

Finding the Fourth Proportional to 4,458.81, 6,689.70 and 2,813.43

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Solution

The fourth proportional to 4,458.81, 6,689.70 and 2,813.43 is: 4,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,458.81 : 6,689.70 = 2,813.43 : x
  2. Step 2: Convert to fraction form
    4,458.81/6,689.70 = 2,813.43/x
  3. Step 3: Cross multiply
    4,458.81x = 6,689.70 × 2,813.43
  4. Step 4: Simplify right side
    4,458.81x = 18,821,002.67
  5. Step 5: Solve for x
    x = 18,821,002.67/4,458.81
  6. Step 6: Final answer
    x = 4,221.08

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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.