Home / 5,628.31-8,437.89-2,343.85

Finding the Fourth Proportional to 5,628.31, 8,437.89 and 2,343.85

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Solution

The fourth proportional to 5,628.31, 8,437.89 and 2,343.85 is: 3,513.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.31 : 8,437.89 = 2,343.85 : x
  2. Step 2: Convert to fraction form
    5,628.31/8,437.89 = 2,343.85/x
  3. Step 3: Cross multiply
    5,628.31x = 8,437.89 × 2,343.85
  4. Step 4: Simplify right side
    5,628.31x = 19,777,148.48
  5. Step 5: Solve for x
    x = 19,777,148.48/5,628.31
  6. Step 6: Final answer
    x = 3,513.87

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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.