Home / 4,344.18-6,516.81-1,422.78

Finding the Fourth Proportional to 4,344.18, 6,516.81 and 1,422.78

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Solution

The fourth proportional to 4,344.18, 6,516.81 and 1,422.78 is: 2,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,344.18 : 6,516.81 = 1,422.78 : x
  2. Step 2: Convert to fraction form
    4,344.18/6,516.81 = 1,422.78/x
  3. Step 3: Cross multiply
    4,344.18x = 6,516.81 × 1,422.78
  4. Step 4: Simplify right side
    4,344.18x = 9,271,986.93
  5. Step 5: Solve for x
    x = 9,271,986.93/4,344.18
  6. Step 6: Final answer
    x = 2,134.35

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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.