Home / 4,289.28-6,429.40-2,094.96

Finding the Fourth Proportional to 4,289.28, 6,429.40 and 2,094.96

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Solution

The fourth proportional to 4,289.28, 6,429.40 and 2,094.96 is: 3,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.28 : 6,429.40 = 2,094.96 : x
  2. Step 2: Convert to fraction form
    4,289.28/6,429.40 = 2,094.96/x
  3. Step 3: Cross multiply
    4,289.28x = 6,429.40 × 2,094.96
  4. Step 4: Simplify right side
    4,289.28x = 13,469,335.82
  5. Step 5: Solve for x
    x = 13,469,335.82/4,289.28
  6. Step 6: Final answer
    x = 3,140.23

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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.