Home / 4,293.89-6,438.63-2,539.43

Finding the Fourth Proportional to 4,293.89, 6,438.63 and 2,539.43

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Solution

The fourth proportional to 4,293.89, 6,438.63 and 2,539.43 is: 3,807.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293.89 : 6,438.63 = 2,539.43 : x
  2. Step 2: Convert to fraction form
    4,293.89/6,438.63 = 2,539.43/x
  3. Step 3: Cross multiply
    4,293.89x = 6,438.63 × 2,539.43
  4. Step 4: Simplify right side
    4,293.89x = 16,350,437.48
  5. Step 5: Solve for x
    x = 16,350,437.48/4,293.89
  6. Step 6: Final answer
    x = 3,807.84

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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.