Home / 4,289.94-6,435.08-2,100.50

Finding the Fourth Proportional to 4,289.94, 6,435.08 and 2,100.50

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Solution

The fourth proportional to 4,289.94, 6,435.08 and 2,100.50 is: 3,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.94 : 6,435.08 = 2,100.50 : x
  2. Step 2: Convert to fraction form
    4,289.94/6,435.08 = 2,100.50/x
  3. Step 3: Cross multiply
    4,289.94x = 6,435.08 × 2,100.50
  4. Step 4: Simplify right side
    4,289.94x = 13,516,885.54
  5. Step 5: Solve for x
    x = 13,516,885.54/4,289.94
  6. Step 6: Final answer
    x = 3,150.83

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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.