Home / 4,289.72-6,435.90-1,824.49

Finding the Fourth Proportional to 4,289.72, 6,435.90 and 1,824.49

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Solution

The fourth proportional to 4,289.72, 6,435.90 and 1,824.49 is: 2,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.72 : 6,435.90 = 1,824.49 : x
  2. Step 2: Convert to fraction form
    4,289.72/6,435.90 = 1,824.49/x
  3. Step 3: Cross multiply
    4,289.72x = 6,435.90 × 1,824.49
  4. Step 4: Simplify right side
    4,289.72x = 11,742,219.10
  5. Step 5: Solve for x
    x = 11,742,219.10/4,289.72
  6. Step 6: Final answer
    x = 2,737.29

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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.