Home / 5,342.46-8,015.40-2,419.98

Finding the Fourth Proportional to 5,342.46, 8,015.40 and 2,419.98

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Solution

The fourth proportional to 5,342.46, 8,015.40 and 2,419.98 is: 3,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.46 : 8,015.40 = 2,419.98 : x
  2. Step 2: Convert to fraction form
    5,342.46/8,015.40 = 2,419.98/x
  3. Step 3: Cross multiply
    5,342.46x = 8,015.40 × 2,419.98
  4. Step 4: Simplify right side
    5,342.46x = 19,397,107.69
  5. Step 5: Solve for x
    x = 19,397,107.69/5,342.46
  6. Step 6: Final answer
    x = 3,630.74

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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.