Home / 4,189.32-6,283.78-1,267.85

Finding the Fourth Proportional to 4,189.32, 6,283.78 and 1,267.85

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Solution

The fourth proportional to 4,189.32, 6,283.78 and 1,267.85 is: 1,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.32 : 6,283.78 = 1,267.85 : x
  2. Step 2: Convert to fraction form
    4,189.32/6,283.78 = 1,267.85/x
  3. Step 3: Cross multiply
    4,189.32x = 6,283.78 × 1,267.85
  4. Step 4: Simplify right side
    4,189.32x = 7,966,903.01
  5. Step 5: Solve for x
    x = 7,966,903.01/4,189.32
  6. Step 6: Final answer
    x = 1,901.72

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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.