Home / 4,203.81-6,305.49-1,281.89

Finding the Fourth Proportional to 4,203.81, 6,305.49 and 1,281.89

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Solution

The fourth proportional to 4,203.81, 6,305.49 and 1,281.89 is: 1,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.81 : 6,305.49 = 1,281.89 : x
  2. Step 2: Convert to fraction form
    4,203.81/6,305.49 = 1,281.89/x
  3. Step 3: Cross multiply
    4,203.81x = 6,305.49 × 1,281.89
  4. Step 4: Simplify right side
    4,203.81x = 8,082,965.15
  5. Step 5: Solve for x
    x = 8,082,965.15/4,203.81
  6. Step 6: Final answer
    x = 1,922.77

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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.